Metropolitan Planning Organization Miami-Dade County Reversible flow lane study SR 5 / US 1 / South dixie Highway From SW 4oth street/sr 976/Bird Road to Interstate 95 (I-95) Submitted by: The Corradino Group, Inc. GpC III-07 Miami-dade county, florida DECEMBER 3, 2007 METROPOLITAN PLANNING ORGANIZATION Miami-Dade County 111 NW First Street, Suite 910 Miami, Florida 33128 REVERSIBLE FLOW LANE STUDY SR 5 / US 1 / South Dixie Highway From SW 40 th Street / SR 976 / Bird Road to Interstate 95 (I-95) December 3, 2007 GPC III - 07 Miami-Dade County, Florida PREPARED BY: THE CORRADINO GROUP 4055 NW 97 TH AVENUE MIAMI, FLORIDA 33178 US 1 Reversible Flow Lane Study Final Project Report PROFESSIONAL ENGINEER CERTIFICATE I hereby certify that I am a registered professional engineer in the State of Florida practicing with The Corradino Group, a Florida Corporation, authorized to operate as an engineering business, P.E. #7665, by the State of Florida Department of Professional Regulation, Board of Engineers, and that I have prepared or approved the evaluation, findings, opinions, conclusions or technical advice hereby reported for: Work Order Number: GPC III-07 Project: US 1 Reversible Flow Lane Study County: Miami-Dade County MPO Project Manager: Larry Foutz Public Works Project Manager: Joan Shen, P.E. I acknowledge that the procedures and references used to develop the results contained in this report are standard to the professional practice of transportation engineering as applied through professional judgment and experience. SIGNATURE: ______________________ NAME: Ryan Solis-Rios, P.E. FIRM: The Corradino Group P.E. No.: 63345 DATE: December 3, 2007 i US 1 Reversible Flow Lane Study Final Project Report US 1 REVERSIBLE FLOW LANE STUDY FINAL PROJECT REPORT TABLE OF CONTENTS SECTION DESCRIPTION PAGE EXECUTIVE SUMMARY ................................................................................................................................................1 I. INTRODUCTION........................................................................................................................................................10 1.1 PROJECT HISTORY ....................................................................................................................................................11 1.2 LITERATURE RESEARCH ...........................................................................................................................................12 II. METHODOLOGY ......................................................................................................................................................19 2.1 SAFETY ANALYSIS ....................................................................................................................................................19 2.2 TRAFFIC OPERATIONS ANALYSIS ..............................................................................................................................19 2.3 COORDINATION .........................................................................................................................................................20 III. EXISTING CONDITIONS .......................................................................................................................................21 3.1 EXISTING ROADWAY CHARACTERISTICS ..................................................................................................................21 3.1.1 Functional Classification .................................................................................................................................21 3.1.2 Typical Section.................................................................................................................................................21 3.1.3 Land Use ..........................................................................................................................................................26 3.1.4 Pedestrian and Bicycle Facilities.....................................................................................................................26 3.1.5 Intersections and Signalization ........................................................................................................................28 3.1.6 Lighting............................................................................................................................................................31 3.1.7 Utilities.............................................................................................................................................................31 IV. SAFETY ANALYSIS.................................................................................................................................................33 4.1 CRASH DATA ............................................................................................................................................................33 V. NO-BUILD TRAFFIC................................................................................................................................................39 5.1 TRAFFIC VOLUMES ...................................................................................................................................................39 5.1.1 US 1 Directional Splits.....................................................................................................................................41 5.1.2 Projected Traffic Growth .................................................................................................................................42 5.1.3 No-Build Traffic Analysis.................................................................................................................................46 VI. CORRIDOR ALTERNATIVES AND ANALYSIS.................................................................................................49 6.1 DEFINITION OF ALTERNATIVES .................................................................................................................................49 6.2 OTHER ALTERNATIVES .............................................................................................................................................59 6.3 BUILD ALTERNATIVES TRAFFIC ANALYSIS ...............................................................................................................61 6.4 LANE USE SIGNALIZATION .......................................................................................................................................67 6.5 IMPACTS OF LEFT TURNS AT THE INTERSECTIONS ....................................................................................................68 6.6 CONSTRUCTION AND ENGINEERING COSTS ...............................................................................................................70 6.7 CHALLENGES TO THE PROJECT ’S IMPLEMENTATION .................................................................................................73 VII. RECOMMENDATIONS .........................................................................................................................................75 ii US 1 Reversible Flow Lane Study Final Project Report LIST OF EXHIBITS FIGURE DESCRIPTION PAGE S-1 Project Location Map ............................................................................................ 1 S-2 Existing Typical Section ....................................................................................... 3 S-3 Proposed Alternative 2 Typical Section ............................................................... 8 2.1 Standard Location of Reversible Two-Way Left-Turn Signs ............................. 14 3.1 Existing Four-Lane Divided Urban Typical Roadway Section I......................... 23 3.2 Existing Four-Lane Divided Urban Typical Roadway Section II ....................... 24 3.3 Existing Four-Lane Divided Urban Typical Roadway Section III ...................... 25 3.4 US 1 Intersections Schematic Map ..................................................................... 29 3.5 Existing Lane Geometry ..................................................................................... 30 4.1 Intersection Crash Rates ..................................................................................... 37 5.1 FDOT Count Stations and 24-Hour Total Volumes ........................................... 40 5.2 2000 Base Year Model ....................................................................................... 43 5.3 2030 Year Model ................................................................................................ 45 6.1 Alternative 2 (One Reversible Flow Lane) Section ............................................ 50 6.2 Alternative 3 (Two Reversible Flow Lanes) Section I ........................................ 53 6.3 Alternative 3 (Two Reversible Flow Lanes) Section II....................................... 54 6.4 Alternative 3 (Two Reversible Flow Lanes) Section III...................................... 55 6.5 Alternative 4 (Two Reversible Flow Lanes with Left-Turns) ............................. 58 iii US 1 Reversible Flow Lane Study Final Project Report LIST OF TABLES TABLE DESCRIPTION PAGE S-1 Crash Data by Severity.......................................................................................... 3 S-2 Signalized Intersections Crash Types.................................................................... 4 S-3 Arterial Roadway-Level of Service (US 1)..........................................................