Regional Managed / Transit Priority Lanes Feasibility Study December 2016 Regional Managed / Transit Priority Lanes Feasibility Study | Final Report Table of Contents Alamo Area Metropolitan Planning Organization 2 Regional Managed / Transit Priority Lanes Feasibility Study | Final Report SECTION 0 Table of Contents Contents Table of Contents ................................................................................................... 3 Executive Summary................................................................................................. 8 Tier 1 Screening .............................................................................................................................9 Tier 2 Screening .............................................................................................................................9 Recommendations ....................................................................................................................... 10 Introduction ..........................................................................................................15 Purpose of the Study .................................................................................................................... 16 The Context for Managed Lanes .............................................................................18 Defining Managed and Transit Priority Lanes ................................................................................ 19 Principal Components of Managed Lanes...................................................................................... 20 Eligibility Control ........................................................................................................................................... 20 Access Control ............................................................................................................................................... 21 Flow Control .................................................................................................................................................. 21 Managed Lanes Objectives ........................................................................................................... 22 Operational Objectives .................................................................................................................................. 22 Financial Objectives ....................................................................................................................................... 22 User Objectives ............................................................................................................................................. 22 Managed Lanes Alternatives Studied ......................................................................24 Hard Shoulder Running ................................................................................................................ 25 Contra Flow and Reversible Lanes ................................................................................................ 26 Express Lanes............................................................................................................................... 27 Access-Controlled Express Lanes ................................................................................................................... 27 Occupancy-Controlled Express Lanes ............................................................................................................ 28 Pricing-Controlled Express Lanes ................................................................................................................... 29 Bus Only Shoulder Lanes .............................................................................................................. 30 Truck Only Lanes .......................................................................................................................... 30 Flow Control Corridors ................................................................................................................. 31 Ramp Metering ............................................................................................................................................. 31 Active Traffic Management ........................................................................................................................... 32 Alamo Area Metropolitan Planning Organization 3 Regional Managed / Transit Priority Lanes Feasibility Study | Final Report Managed Freeways ....................................................................................................................................... 32 Existing Managed Lanes in San Antonio ........................................................................................ 33 Ramp Metering ............................................................................................................................................. 33 Left Lane Truck Restriction ............................................................................................................................ 33 Hurricane Response Lanes ............................................................................................................................. 34 Arterial Treatments ....................................................................................................................................... 34 Applying Managed and Transit Priority Lanes ............................................................................... 34 Corridor/Strategy Selection Criteria .............................................................................................................. 36 Integration with Regional Transportation Planning........................................................................................ 37 Tier 1 Screening .....................................................................................................39 Existing Congestion ...................................................................................................................... 39 Modeling ..................................................................................................................................... 41 Tier 2 Screening Methodology ...............................................................................46 Safety Assessment ....................................................................................................................... 47 Hard Shoulder Running ................................................................................................................................. 47 Express Lanes ................................................................................................................................................ 47 Contra Flow Lanes ......................................................................................................................................... 48 Truck Only Lane ............................................................................................................................................. 48 Corridor Definition for Analysis .................................................................................................... 49 Detailed Geometric Features and Existing Cross-Sections .............................................................. 52 Strategy specific right-of-way and/or pavement width requirements ............................................................ 54 Right-of-way assessment ............................................................................................................................... 57 Evaluation Methodology .............................................................................................................. 61 Tier 2 Screening Results .........................................................................................65 Hard Shoulder Running – Mixed Traffic ......................................................................................... 65 Inside Shoulder Versus Outside Shoulder ...................................................................................................... 65 Bus on Shoulder ........................................................................................................................... 69 Contraflow Lanes ......................................................................................................................... 71 Reversible Lanes .......................................................................................................................... 73 Express Lanes............................................................................................................................... 75 Access Controlled .......................................................................................................................................... 75 Occupancy Controlled ................................................................................................................................... 75 Pricing Controlled .......................................................................................................................................... 75 Truck Only Lanes .......................................................................................................................... 81 Flow Controlled Corridors ............................................................................................................ 83 Alamo Area Metropolitan