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Res No 201-96-9955IL % e RESOLUTION NO. 201 -96 -9955 A RESOLUTION OF THE MAYOR AND CITY COMMISSION OF THE CITY OF SOUTH MIAMI, FLORIDA, RELATING TO THE CONSENT BY CITY OF SOUTH MIAMI FLOW MODIFICATION STUDY TO THE STREET IMPLEMENTATION CLOSURE /TRAFFIC BY METROPOLITAN DADE COUNTY FOR A PERIOD OF UP TO EIGHTEEN (18) MONTHS, PROVIDING FOR RETAINED MUNICIPAL SOVEREIGNTY IN CASES OF HOMETOWN PLAN AND COMPREHENSIVE PLAN ISSUES; AND, PROVIDING FOR AN EFFECTIVE DATE. WHEREAS, in July of 1996, Metropolitan Dade County Public Works Department and Metropolitan Planning Organization received the "Street Closure /Traffic Flow Modification Study," prepared by Frederic R. Harris, Inc., Consulting Engineers; and, WHEREAS, on October 311 1996, the Metropolitan Dade County Public Works Department held a workshop meeting for municipality representatives regarding the aforementioned study, and, WHEREAS, the Public Works Department requested the consent of municipalities to participate in an eighteen (18) month test program, whereby the municipality's consent would give the study the effective power of law during the eighteen (18) months; and, WHEREAS, upon review of the Modification Study" that that "Street Closure /Traffic Flow document the City Administration recommends the City give its conditional consent with the reservation the City retain its rights to close or reconfigure roadways under municipal jurisdiction during the eighteen (18) months, if the City deems such an action is necessary to implement the goals and objectives of the Hometown Plan or Comprehensive Plan; and, WHEREAS, the Mayor and City Commission desire to with and participate in this Dade County test project, cooperate and, WHEREAS, the Mayor and City Commission find that it is the public interest to do so. NOW, THEREFORE, BE IT RESOLVED BY THE MAYOR AND CITY COMMISSION OF THE CITY OF SOUTH MIAMI, FLORIDA: Traffic Study Resolution: November 19, 1996 1 Section 2. The City • South Miami hereby retains Current Section 3. This resolution shall take effect imm6diatelmll READ AND APPROVED AS TO FORM: CITY ATTORNEY COMMISSION VOTE: Mayor Cunningham: Vice Mayor Robain"a-: Commissioner Price: Commissioner Bethel: Commissioner Young: Traffic Study Resolution: November 19, 1996 4-0 Not present ports \MD� ea Traffic-Study.doc Yea Yea Yea 2 e M M . :••. x.,., . CITY OF SOUTH MIAMI INTER= OFFICE MEMORANDUM o: Mayor and City Commission Date: November 8, 1996 Agenda Item # ! 63 rom: L. Dennis h�� / Re: Comm. Mtg. 11/19/96 City Manager Traffic Study Resolution REQUEST: a A RESOLUTION OF TIE MAYOR AND CITY COMNIISSION OF THE CITY OF SOUTH MIAMI, FLORIDA, RELATING TO THE CONSENT BY CITY OF SOUTH MIAMI TO THE STREET CLOSURE/ TRAFFIC FLOW MODIFICATION STUDY IMPLEMENTATION BY METROPOLITAN DADE COUNTY FOR A PERIOD OF UP TO EIGHTEEN (18) MONTHS; PROVIDING FOR RETAINED MUNICIPAL SOVEREIGNTY IN CASES OF HOMETOWN PLAN AND COMPREHENSIVE PLAN ISSUES; AND, PROVIDING FOR AN EFFECTIVE DATE. BACKGROUND & ANALYSIS. The Metropolitan Dade County Public Works Department via its consultant, Frederic R. Harris, .Inc., has requested that the municipalities in Dade County consent to participate in an eighteen- month test of procedures recommended in the "Street Closure /Traffic Flow Modification Study," dated July, 1996. The attached resolution grants consent with certain reservations. These reservations are regarding road closure and modifications to roadway configurations in cases relating to the Hometown District Overlay Ordinance and the Goals, Objectives and Policies contained in the City's adopted Comprehensive Plan. This is included in anticipation of objections that may be raised as a result of the redesign of Sunset Drive to only three lanes and to protect against County road widening projects which are prohibited by the Goals, Objective and Policies in the Traffic Circulation Element of the City's adopted Comprehensive Plan. ATION: Approval. Attachments: Proposed Resolution for Adoption Chapter 10, "Street Closure /Traffic Flow Modification Study," dated July, 1996 Letter dated August 21, 1996, from Metro -Dade County Public Works Department Letter dated October 18, 1996, from Metro -Dade County Public Works Department City Manager's Report: Traffic Study Resolution 1MMRESIDENTIAL a PUBLIC WORKS DEPARTMENT - TRAFFIC ENGINEERING SECTION TRAFFIC MANAGEMENT PROGRAM - TRAFFIC FLOW MODIFICATION REVIEW /APPLICATION PROCESS RESPONSIBLE ENTITY IF IN UN- INCORPORATED DADE COUNTY IF IN MUNICIPALITY Street must be classified as local residential or local Criteria: #collector, no major traffic or safety concerns exist and ' ' modifications will not result in liability exposure to the County. May be submitted by official representative of Homeowner's Association or a neighborhood group. _ Application: Must include a statement that applicant may be required to participate in cost of improvements and SAME AS ' drawing of the area showing proposed closure. M UN- INCORPORATED DADE -- Selects traffic flow modification requested: Reverting of Right -of -Way, Creation of a Special Taxing District, Applicant: Street Closure/Traffic Flow Modification, Identifies type of problem: Traffic intrusion, Accidents, Speeding, Crime, Others. Submits application to: Director, Dade County Public Works Department. Manager/Mayor of respective municipality. Metro -Dade Public Works: Coordinates reviews with the Municipality: Coordinates reviews with the following following relevant to closure: relevant to closure: Metro -Dade Fire and Rescue, Metro -Dade Public Works Affected Municipal Fire Department, Municipal Fire Department, Interdepartmental reviews: ; Metro -Dade Police Department, I Metro -Dade Fire and Rescue, Affected Municipal Police Department, I Municipal Police Department, Dade County Public Schools, i Metro -Dade Police Department, Metro -Dade Transit Agency, Dade County Public Schools, f Florida Department of Transportation, Metro -Dade Transit Agency, I Any other agency affected by closure. Florida Department of Transportation, Any other agency affected by closure, Establishes type of problem, Metro -Dade Public Works: 1 Traffic intrusion, Accidents, Speeding, Crime, Other. 'Establishes type of closure: If reverting of Right -of -Way, follows County procedure, I If reverting of Right- of•Way, follows City procedure, Applicant: If Special Taxing District, follows County procedure, If Special Taxing District, follows County procedure, If street closure /traffic flow modification follows next ste . If street closure/traffic flow modification follows next ate . If conadrne cannot a repro v, Notifies applicant of denial. Notifies municipality of denial, Municipality notifies applicant of denial. If all entities concur: Isolated location: Metro -Dade Public Works: May grant approval for street closure /traffic flow modification Municipality forwards comments and recommendation to if engineering judgment with minimal analysis determines `director Metro -Dade Public Works Department. that the impact on services or traffic operations to be insignificant. Notifies applicant of approval. Notifies municipality of approval, Municipality notifies applicant of approval. Obtains concurrence from 213 affected property owners, Obtains concurrence from 2/3 affected property owners, Request will be denied if 2/3 affected property owners do not Request will be denied if 2/3 affected property owners do not concur. concur. If 2/3 affected property owners concurs, engages a If 213 affected property owners concurs, engages consulting engineer to develop plans, a consulting engineer to develop plans, Applicant: Submits construction plans to Metro -Dade Public Works Submits construction plans to municipality for approval of for approval of temporary and permanent closure including signage temporary and permanent closure including signage and and markings plan. markings plan. Municipality forwards plans to Public Works for traffic engineering review and approval. Obtains the services of a licensed contractor. Proceeds with construction as required by the municipality. i Multiple locations. Notifies applicant to engage a consulting engineer to conduct Notifies municipality to either engage a consulting engineer a traffic study, or advise applicant to engage a consulting engineer to conduct a traffic study Requires the following study elements: Drawing showing: Exact location of proposed closure /traffic flow modification, Boundary of the affected area-, Critical intersection geometric. !Requires the following studies: If traffic intrusion: License Plate Surveys for AM & PM peak. If Accidents: Accident history for the prior 3 years period. If Speeding: Spot Speed studies. Metro -Dade Public works: 85 percentile speed must be 10 MPH greater than posted. If Crime: Crime Statistics for one year. Interpretation from a law enforcement agency will be required. Others: As required by Metro -Dade Public Works Department. IVolume Criteria: _.. SAME AS For residential collector future volume should not exceed UN- INCORPORATED DADE 3000 vehicle per day or 300 vehicles per hour. For residential local streets future volume should not exceed 1500 vehicle per day or 150 vehicles per hour. jLOS Criteria. f Intersection or approach lane LOS may not exceed LOS D, If operating at LOS E must not degrade to LOS F, If at LOS F then diverted traffic must not be more than 5 % of the existing traffic volumes w_ ithout diversion. Other Criteria: --� —� Streets proposed to be closed shall have sufficient right -of -way or commitment from the applicant to acquire additional right -of -way Jo adequately provide the T- turnarounds or Cukde -sacs CuWe -sacs or dead -end streets shall not be longer than 600 feet per Dade County Code 28-14 EXHIBIT A - Page 1 I .- . RESPONSIBLE ENTITY I IF IN UN- INCORPORATED DADE COUNTY IF IN MUNICIPALITY Conducts traffic analysis within the study area: For critical locations provides: i Peak hour turning movement counts, 24 hour counts on street proposed to be closed or modified, Consultant, Applicant, Metro -Dade Public Contractor: Consultant, 24 hour counts on street that may be impacted by modifications, Level of service analysis. Schematic showing AM /PM peak hour counts & ADTs, _ Existing street closure /traffic flow modifications. Conducts traffic analysis outside the_ study areas For critical intersections provides. Peak hour turning movement counts, Queuing and storage requirements at signalized intersections, Level of service analysis, Schematic showing AM /PM peak hour counts & ADTs, Phasing modification required at existing signalized Intersection, Existing street closure /traffic flow modifications. lVialuates impact of street closure/traffic flow modification on: Emergency vehicle response time, Fire hydrant accessibility, Mail Delivery, i School Buses, Transit services, Trash plck -up, and impact on other services, develops alternative solutions to street closures: Identifies traffic problems and assesses the need, generates staged alternative traffic calming plan for temporary and permanent traffic calming measures, and Documents the traffic study in the form of a formal report which shall be signed and sealed by a Florida registered Professional Engineer prior to submittal. _ • Submits report to Metro*Dade Public Works Department Metro-Dade Public Works forwards report to FDOT if state facilities are impacted. ouemit plans to Metro -Dade Public Works Department, Contacts at least 90% of the affected property owners, Obtains concurrence from 2/3 affected propery owner, irks: Notifies applicant of denial it petition does not meet above requirements. If petition meets the requirements: Implements Level I through Level III traffic control measures o n temporary basis. _ Reevaluates after 6 months stabilization period. If Stage I impact is unacceptable: Proceeds to stage 2, re- evaluates more restrictive traffic calming. If Stage I impact Is acceptable: Consultant: Metro -Dade Public Works: Metro -Dade Public Works: Consultant: Applicant: Contractor. - - Consultant: Metro -Dade Publ' W rk SAME AS UN- INCORPORATED DADE UI Submits report to the municipality, Municipality forwards report to Metro -Dade Public Works and also to FDOT if state facilities are impacted. Notifies municipality of denial if above requirements are not met Municipality notifies applicant of denial. Or municipality implements SAME AS UN- INCORPORATED DADE Develops design plan for permanent installation, i Develops design plan for permanent installation, Submits plans to Metro -Dade Public Works for approval. ; Submits construction plans to municipality for approval s the services of a licensed contractor initiates review process within 90 days from the end of 6 months traffic stabilization period as follows: ! ~ Sponsors a public work shop with affected property owners, tenants, business owners, Metro -Dade County, Municipal and FDOT officials and ldetermine alternative that has greatest community support May require input, depending on complexity, from: ! Citizens Transportation Advisory Committee(CTAC) or Transportation Planning Technical Advisory Committee(TPTAC), If CTAC and TPTAC recommends against the traffic 1 calming, that action will be final. Notifies applicant of denial. i Notifies applicant of approval. Submits construction plans to Metro -Dade Public Works for temporary barricade for approval. - - - ... ...0 - --- - - -- ... - -..... _._..._.__.�.._._...._ Obtains the services of a licensed contractor. Installs temporary barricades for 90 days trial period. - Removes temporary barricades after 90 days trial period. Begins traffic data collection after 30 days of the installation of temporary barricades. Conducts after study & submits report to Metro-Dade Public Works. May grant approval for permanent installation, if study does not show any adverse impacts. N Municipality forwards plans to Metro -Dade Public Works ifor traffic engineering review and _ approval. Proceeds with construction as required by the municipality. SAME AS UNINCORPORATED DADE Notifies municipality of denial, Municipality notifies applicant of denial. t Notifies municipality of approval, j Municipality notifies applicant of approval. Submits construction plans to municipality for approval, Municipality forwards the plans to Metro -Dade Public Works for traffic engineering review and approval. Proceeds with construction as required by the municipality. SAMEAS_ _.__ _......_..._ -_ - -. UNINCORPORATED DADE i Conducts after study, and submits report to municipality, Municipality forwards report to the Metro -Dade Public Works. MV o s. otifies applicant of approval Notifies municipality of approval, i Municipality notifies applicant. Submits construction plans to Metro -Dade Public Works Submits construction plans to the municipality for approval, Consultant: 'for permanent closure for approval Municipality forwards plans to Metro -Dade Public Works for traffic 'engineering review and approval, Applicant: Obtains the services of a licensed contractor 1 Proceeds with construction as required by the municipality. In case of municipal jurisdiction, municipalities have the option to allow the applicant to engage a consultant or engage a consultant by themselves, fund the improvements, and later pass on the cost of improvements to the applicants. Also municipalities may elect to perform some of the work by themselves instead of a contractor. Metro Dade County has the sole discretion, subject to all applicable laws, to approve, modify, continue or deny any street closure or traffic flow modification request regardless of any support or lack thereof via the petition process. The County Public Works Director's approval or denial of a street closure or a traffic flow modification request will be final. EXHIBIT .A - Page 2 %I m4p2p 0 ofmnoD auk io3 alnsodxa A�iii qi?ji aiguosvolun ui jinsas jou livA moU oUjul, uT s •uoT1ro r • owesl assanpe so asnsolo jaags pasodosd aq, Suipsgai susaouoo o s, so a � s oT I nd so (vu1 . ou �o aouapTAa 4fuaTOTHJns papTAOSd s�q SoToua V Mudosddt oqi Aq nna asurgo aq j UT pow mou TAas nu• .aid Nr - GAEmpro.i a� �s aq jou pqs pine asniru uT qua i sas Apumd a q �u s . . . . `so oa II o0 00 I so 1aas1s i73Tuaptsas 12301 R sr pogissre o a no s loos s a I q PI � � us X1101U0 .9umoiio3 oql TsD q asieo- �q -aseo uo �unoj auj Aq paia isuoa a _ t P. q tip sT s�aas�s oTlgnd uo nnoU oU resj jo uoT1�eoT�TpouT so asnso o a �. so sanbas I q �� Empou uoT u z • I S T TO V se •ssaoosd uOurouddr oui BuTumno umma mn V sIuasasda Z .0 • s as T solo I old o s i P oo so qq wT au aimnj BuTpToAv Agalogj `spoouo q ia • o u . u nnau � d so aon o 3 .1 ansas pinoo ssaosd sr `suaigosd T pgq u Tau�sTxa SuTSSas PP 01 u011Tppie uI q� n « . . , . ( . v Tao a � a• • � n •aigvidoomun am slinsas AprUs oqi jT airniuAaa pie suoTInlos aATIeusaTIV powauraidun jo siordwT ouL m lop of A Is c�a IW» uuo � a d • G -saATjVWOjjV .9U U p3 C) 11 jo sauas 9 SunuouTaldur of loud ssamiw f4sadosd app tip o uoeC uo j suongd um jqO • 9 •suoilnios amdrusip asour `.ragIsoa Su13010s asojaq 31a uondrusip 11soo Isral aqj Im1ua o n suoToL o auaa aid aAT In suoTinios asagI `airu Iasaua� v sv •suounios 10.14UO3 oBPsj P ula -S o o s an Ttu sa�ieTi jUOPI VOIR OUTpoU Mog o si so asnsoi psodod ogl3o sindn aioadxo aumuo a o sTs o si o . � IRIM ,ojaq„ v 3o surotu Aq psodoid oqj gjTm polvi ssr siovdiuT I� ua od a ujTluapI e . •(JouIsTp SUMI Imoods `alnsoio laa1ls `•o •so AvnIo -q u jo u area ssaosd uoT n Ios pie o auUO o � .4 LOTS11Tui O n $u aads `I•a ) ua I o sd oT esj oqj SuUgap Aq isonbas jo odA4 a tusT Igls g £ `.(AiTIvdTomnW io AjunoD) Auagr IuaUUanog mudoddr a u� g m aTAaN AnuUgasd • Z `irsodosd so isonbaNj uozT1T3 MOIJ 3M11 so asnsoio laasls 2 soj imsodosd : sluauaia BuTnoiioj aqj UMIU03 film uoTIBoUTpou so isonbai uamllo R of BuT uodsas jo ssaoosd oqj 00014uUoD aasnsolD loolIS auk IUOIJ paATaoas InduT urog pug slaa 1S arlgnd uo tnolg ogigi, fo u0yz70L(!p0N ro a rnso 1 o; aAr n 1 a d ICZ • r itnuaAmong tmS jo AjTZ) aqj saUe Pa a OW s1 saATIoaC q o ow l n o au� anaTo1 o d�, s �eUTO�TI�a . , qc)u f ppaou ssaosd otU Zt aavd L it SSHDOIICI alliL 'OI njS uouB:)UiP0W A►oL!l 3gjujjL rainsoia IaajlS r slaasis NOT soi s H Street Closure/Traffic Flow Modification Stu • a i Page 43 Figure 2 Application Procedure for Street Closure or Traffic Flow Modification Submit to the County / County \ InterDepartment Review Street Closures Citizen Request No Request in YES Submit to the uaicipality? Municipality DENIAL DENIAL Municipal \ InterDepartment Review coNcUR Establish CONCUR Type of Request Metro -Dade Special Taxing District Procedures See Appendix Identify Potential Impacts (Internal, External) Evaluate Reverting the Right -of -Way Municipal Procedures '"---- " "' -'---- Traffic Calming ' Alternative Plans now 2/3 Property YES Design/Im Owners prop pprove Plan? Modifii NO "AM • Impact esult, '-------------------------------------- - -No -- -' Dade County Procedures t . Street Closure/Traffic Flow Modification Stu The following procedures should be followed for submitting an pp a li traffic flow modification: 6 Lot A cation for a street closure or La An official representative of an established Homeowner's Association or neighborhood group may submit a completed "Street Closure or Traffic Flow Modification" Application provided in Appendix F. lude a statement that persons signing the l.a.l The application must inc application acknowledge that it is the County's policy that they may be required to participate in all costs directly associated with street closure or traffic flow modifications. 1. a.2 Drawings showing the proposed street closure or traffic flow modifications is required and must be submitted with the application. i .b If the request affects local streets within Unincorporated Dade County, then the applicant must submit the application to the Director of Public Works at the following address: • 111 NW 1st Street Stephen P. Clark ' Center, Suite 1610 Miami, Florida 3312&1970 Lc If the request affects local streets within a chartered municipality . p Y applicant must submit the application to the City Manager of the m where the closure or traffic flow modification is proposed. Coordinate Interdepartmental R evi Pw then the unicipality The following process will be used to review all applications associated with a proposed pp p p street closure or traffic flow modification: 2.a If the request for closure Unincorporated Dade County, or traffic flow modification falls within the Public Works Department's Traffic Engineering Section will coordinate a following agencies and departments: review of the application with the • Metro -Dade Fire & Rescue, • Affected Municipal Fire Department, • Metro -Dade Police Department, • Affected Municipal Police Department, "f "1 ► . . Street Closure/Traffic Flow Modification Stud Page 45 • Dade County Public Schools, • Metro -Dade Transit Agency, • District VI office of the Florida Department p of Transportation, and • Any other agency affected by closure. 20b If the request affects local streets within a chartered ' muniicpality, the C' ity Manager's designated representative will request review of the ' • q application from the following agencies or departments: • Municipal Fire, Department, • Metro -Dade Fire Department, • Municipal Police Department, • Metro -Dade Police Department, • Dade County Public Schools, • Metro -Dade Transit Agency, • Florida Department of Transportation (District VI), • Dade County Public Works Department, Traffic En ' eerie and � g� • Any other agency affected by closure, These reviews should be relevant to the agency reviewing the proposed closure or traffic flow modification The scope of the traffic review sh ouia be basis determined on a case -by -case Department. by the Metro -Dade Public Works 2.c If engineering judgment can, with minimal anal sis: Y 2.c. l Determine that the request for closure or traffic flow modification affects an isolated location; and 2.c.2 Determine impacts on services or traffic o p erat' to be insignificant; then final determination concerning the a pp roval of the application for street closure or traffic flow modification can be made immediately. y However, the approval will be contingent upon approval by two- thirds of the r p operty owners. 20d For Unincorporated Dade County a lications Public W ' pp Works will review all comments from the aforementioned agencies and departments. If these co mments reveal concerns rns which cannot be resolved, or that the proposed location and extenuating p nuating circumstances do not meet all the criteria outlined in this process and in State law, the application for closure pp or traffic flow Y 1� ft ( Street Closure/Traffic Flow Modification Stu ka r 4 S modification will be denied and the applicant notified by the County's Public Works Director. 2.e If the request affects local streets within a chartered municipality, the City Manager's designated representative will review all comments from the aforementioned agencies and departments. If these comments reveal concerns which cannot be resolved, or that the proposed location an d attenuating circumstances do not meet all the criteria outlined in this process and in State law, the application for closure or traffic flow modification will be denied and the applicant notified by the City Manager of the respective municipality. 2. f If all agencies and departments concur, roceed to the next step, p. If the request is for: 4.a Street closure or other modification that would un act traffic flow, r p , proceed to Step 4; 40b A Special Taxing District, see the Special Taxing District Procedur es listed ' in Appendix A; 4.c Reverting public right -of -way to adjacent property owners then: p 4.c.1 For Unincorporated Dade County, follow the Dade Count Procedures listed in Appendix A. 4.c.2 For municipalities, follow municipal procedures. P Each type of request has a specific set of procedures and guidelines for the applicant to follow; with those for street closures or traffic flow modifications being described herein, The affected area as determined by the Count Public Works Department ' Y p will include, but not be limited to, those properties where normal travel routes to and from the affected area are to be altered by the street closure or traffic flow modification, and/or properties which are ' p p significantly impacted by traffic that is to be diverted. The internal and external stud area b d will U - - -� ,,,.....J w „"u.aucu�cO wui uc wtaviisnea on 3 case -by -case basis. It will also by necessary to establish the type of uroblem (i.e._ speed_ traffic. intrusion, traffic accidents, crime, etc.). This could be accomplished through the . p g review of the application. ., V . Street Closure/Traffic Flow Modification Stu Identi . tre n H B . /1 . in • Page 47 A professional traffic engineering consultant should be engaged b the applicant to perform . Y PP p a detailed traffic study. This study must show that the closure or modification will not create unreasonable traffic impacts on the subject street or on streets which may be 'impacted b Y diverted traffic. P The following study elements may be required b the Dade Count Public Work Y y s Department, depending on the type, complexity and requirements of the area in question, on a case-by-case basis: 4.a Drawings showing the exact location of the proposed street closure or traffic flow modifications, critical intersection geometrics and the boundary of the area affected. This boundary w*U be determined by the Traffic Engineering ' Section of the Dade County Public Works Department. 40b An origin- destination (O/D) study that identifies the percentage of cut -throu h P g g versus neighborhood traffic, if the reason for the request is traffic intrusion. A sampling of the peak hours in the AM and PM periods will be considered an adequate sampling. 4.c A review of accident history for the prior three (3) years to identify any significant collision trends at locations identified with safety concerns, if the reasons for the request are safety related such as a high number of accidents. This data could be obtained from the County or affected Municipality. 49d Spot speed studies for an application that indicates speeding as a typical neighborhood traffic control problem. A speeding problem can be verified when the 85th percentile speed of all vehicles is at least 10 muh greater than the posted speed limit. An initial survev of t adequate sampling. 00 vehicles will be considered an 4.e Crime statistics for the study area, to be obtained from the jurisdictional law enforcement agency, for a period of one (1) year. An interpretation from a law enforcement agency will be required to determine how the crime in the study area compares to overall crime statistics in that area. 46f An internal analysis of expected diverted traffic on critical intersections if an within the study area. This will require: 411 24 hour counts on those streets that are proposed to be closed or modified; 412 24 hour counts on those streets that may be impacted b proposed P YP P closures or traffic flow modifications; 147 Li i Street Closure/Traffic Flow Modification Stud J n 413 Future traffic volumes on a Residential Collector may not exceed 3,000 vehicles per day (300 vph during the peak hours) if a complete street closure is implemented. These threshold values define those limits when a residential collector begins to lose its livability and are for analysis purposes only that a closure will be approved. . They do not guarantee 414 Future traffic volumes for a closure of a Residential Local Street may not exceed 12 500 vehicle per day (150 vph during the peak hours). These threshold values define those limits when a local residential street begins to lose its livability and are for analysis purposes only. They do not guarantee that a closure will be approved. 415 5 Peak hour turning movement counts and a level of service (LOS) analysis at critical locations that will be affected by re- distributed traffic. Overall intersection LOS must not exceed LOS "D" or if operating at LOS "E" must not degrade to LOS "F ". Also: 4 -f.5.1 The same criteria applies for 0 intersection approach or lane group critical intersection approach, individual within the 4. 10:5 If intersection or approach or lane group is already at LOS "F ", then diverted traffic volumes must not be more than 5% without diversion. of the existing traffic volumes 4:f.6 A schematic diagram for both AM and PM peak hours showing existing and re- distributed traffic and Average Daily Traffic (ADT's), 4.g An external analysis of expected diverted traffic on critical intersections if an ' c y' adjacent ent to and surrounding the affected area. Particular attention shall be directed to the impacts on the State highway system and Count y roadways, s , including: 4. g. l Queuing analysis and storage requirements at existing i nalized intersecti g g ons; 4.g.2 Peak hour turning movement counts (TMC's) and LOS analysis at critical signalized and unsignalized existing intersections. A 0 us Street Closure /Traffic Flow Modification S . schematic diagram showing the results of the TMC analyses for critical locations. Overall intersection LOS must not exceed LOS "D" or if operating at LOS "E" must not degrade to LOS 'T Also: 4.g.2.1 The same criteria intersection approach . . applies for an individual or lane group within the critical intersection approach. 4.g.2.2 If intersection or approach or lane group is already at LOS "F", then diverted tragic volumes must not be more than 5% of the without diversion. existing traffic volumes 4.g.3 Phasing modification requirements at existing signalized intersections; and 4.g.4 Existing street closures or traffic flow modifications within the study area. 49h A detailed evaluation of the impacts of street closure or traffic flow modifications on emergency vehicle response times and hydrant accessibility, as well as the impacts on other services such as mail delivery, school bus routing, transit service, trash pick -up and other services. r, Page 49 The specific case will dictate which of the above items will be required, depending on the complexity and requirements of the study area in question. Any traffic study performed for a requested street closure or traffic flow modification should be compiled by the applicant's traffic consultant in a form of a formal report, signed and sealed by a Florida registered professional engineer. It is necessary to adopt an area -wide, systematic to street closures. This approach would include: approach to the development of alternative solutions • Problem Identification & Needs Assessment • Generating Alternative • Plan Selection Traffic Calming Plans • Design, Implementation & Evaluation This approach must work within the overall framework of the existing roadway) classifications y stem . 0 0 0 I and encourage community participation. "07- -,6 Street Closure /Traffic Flow Modification Stu t e S Page 50 Several category levels (I through V) to distinguish those least restrictive (passive) traffic control measures from those that are most restrictive (active) have previously been defined. Ideally, the least restrictive measures to address a traffic problem would be employed first, followed by more active and physical traffic calming devices. This incremental approach would allow a cost effective opportunity to identify the real traffic problem, if any, and better evaluate the impacts of more restrictive measures. With the above staged approach in mind and a handful of traffic calming alternatives available for use on local Dade County roads, a typical request for a street closure or traffic flow modification might proceed accordingly: S.a The Applicant's traffic consultant will identify traffic problems as a result of his analysis above and assess the community's needs. 50b The consultant will generate staged alternative traffic calming aps including gP � g design plans for temporary and permanent traffic calmin g measures for approval by Metro -Dade County Public Works Department. These P lans should: 5.b.1 Implement the lowest level (Level I through Level III) traffic control measures on a temporary basis; measures that, in the consultant's opinion, will satisfy the applicant's concerns. 5.b.2 Allow traffic to stabilize and reevaluate traffic patters after six (6) months. 5.b.3 If Stage 1 impacts are unacceptable, then proceed to Stage 2 and reevaluate more restrictive traffic calming alternatives. 5.b.4 If Stage 1 impacts are acceptable, the applicant engages a licensed . contractor to implement permanent traffic control meas r L& . , es upon acquiring necessary approvals of constru permits. ction plans and required Those previously described measures of effectiveness (MOE's) must be analyzed when evaluating the traffic impacts and livability impacts of a traffic calming alternative plan. A sample evaluation of a traffic calming alternative plan has been provided in Appendix G. 6. Obtain P The traffic calming flow alternatives minimum of two- thirds (67 percent) ement Pro . /7 _ . derived as a result of the above steps must be supported b y a of the total number of citizens directly affected by the proposed PAM�& ;C►4.", eivawimdaQ s3lloM oilgnd Ajunoo auk Aq suot }epuaunuooai dug off. loud Indui apinoid ol (DVJL&L) 001TnuuioD faosinP�' I83�I�.L Su�Id uoi��vodsuEiZ PuE (3VjLD) aa�nu�uoD fjosrn r P�' uoT��odsu�.s suazr�i� auk �anp ��w loi�anp sxioM �tign� au1 `uonVOuroocu nnoQ �g�e.�� so amsoio • • . . pasodosd QqI jo Aiixalduioo agP uO SuipuadaQ 'SlsTORJO u0nul iodsur ij amS puu Ajunoo apr(ImollaW `lcdiomnW Aq oui PI s uourdiaimd a n no .. 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L •s.lauMO f4iadoid pajoajp IIv Aylou nm 1013O.HQ q.1otA 3tngd Ajo qj p Ilj q Um i�� xiatuafo ODPII .posodoid oql IsureSE puounuooa.l saa�iur�uoo ujoq `smaina l lroiugoal DV.La Pug 3V,L3 auj jo jjnsai v sp 3I I eq L ZS a Ed ApmS uogv:)UipoW bow a viZ fainso Ia laa.p s O O O Mr.' Eddie Cox, Manager City of South Miami 6130 Sunset Drive South Miami, FL 33143 Street Closure/Traffic Flow Modification Dear Mrs Cox: Enclosed, please find the final __ draft report for Street Closure/Traffic Flog Modification Study. This study was commissioned by the Dade County Public works Department and Metropolitan Planning organization and conducted by Fredric R. Farris, Inc enclosed Please review the report any, by September 6, 1996, to Muhammed M. Hasan, P.E., Project Manager, 111 NW lst Street, Suite 1510, Miami, Florida 33128, or fax ♦ ° W . Equal OpportunitylHandicap EmployerlServices 13 Public Works Department draft of the Street w a modifi • �c - ° • *' comments date. `. ,- Should you have any questions free to call Mr. Muhammed M. • • anager at PGH:MMH:gm 13 Mr. Eddie Cox p. .qty Manager OCT 21 n ®, %h City of South Miami 6.30 upset Drive South Miami, FL 33143 WX MANAGER'S OFFICE Re Street to Modification t Public Works Department draft of the Street w a modifi • �c - ° • *' comments date. `. ,- Should you have any questions free to call Mr. Muhammed M. • • anager at PGH:MMH:gm 13 s A his!: i �. E �M T VA r . .. . ACT ` a ,a tot f I • _ 1 - r - 11 1 T• at +I '• I is It a to if If - j 1 r . I `, art op 9 at i ' • • •�'• 4 :1'- -:• • •` , i'•' 'tom y •••�. 1L to go It ♦' ° 1 46 Is 4 it It It of Itt sm • 06 0 1. ., �•, . a 40,4F of • " ' 4 ^•' �� It '� 4 It to • :S • I :, 1 • ' to l i • . ... • •' •• •. t.a A• �•r ••� go Is i. 9 ♦.' i ' l . - 60 0 •.� lo, • - ag ' N• — I ••t - •: 04 -. 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