Mountain Area Transportation Study Mobility Issue Identification, Solution, and Implementation Plan | Draft June 8, 2017 Submitted to: 17J17-1768.17 | Prepared by Iteris, Inc. Innovating Through Informatics™ Mountain Area Transportation Study Mobility Issue Identification, Solution, and Implementation Plan | Draft DOCUMENT VERSION CONTROL Document Name Submittal Date Version Number Needs Assessment | Draft August 1, 2016 1.0 Mobility Issue Identification, Solution, and Implementing March 28, 2017 2.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing April 24, 2017 3.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing May 9, 2017 4.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing May 15, 2017 5.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing June 5, 2017 6.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing June 8, 2017 7.0 Plan | Draft Mobility Issue Identification, Solution, and Implementing June 14, 2017 8.0 Plan | Draft Iteris, Inc. | ii Mountain Area Transportation Study Mobility Issue Identification, Solution, and Implementation Plan | Draft TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY ............................................................................................................................. 1 1.1 Purpose and Need ................................................................................................................................... 1 1.2 Existing Conditions .................................................................................................................................. 2 1.3 Identification of Mobility Issues .............................................................................................................. 4 1.4 Recommendations .................................................................................................................................. 6 1.5 Implementation ....................................................................................................................................... 7 2.0 INTRODUCTION ....................................................................................................................................... 8 2.1 Project Objective and Tasks .................................................................................................................... 9 2.2 Study Purpose and Need ......................................................................................................................... 9 2.3 Study Area ............................................................................................................................................... 9 2.4 Stakeholders .......................................................................................................................................... 10 2.5 Organization of Report .......................................................................................................................... 11 3.0 BACKGROUND INFORMATION .............................................................................................................. 12 3.1 Ski Areas/Resorts ................................................................................................................................... 12 3.2 US Forest Service ................................................................................................................................... 12 4.0 PREVIOUS STUDIES ................................................................................................................................ 18 4.1 Big Bear 1996 Highway Transit Improvement Alternative .................................................................... 18 4.2 Big Bear Modal Study ............................................................................................................................ 20 4.3 2015 San Bernardino Countywide Transportation Plan ........................................................................ 20 5.0 EXISTING CONDITIONS .......................................................................................................................... 23 5.1 Roadway ................................................................................................................................................ 23 5.2 Transit .................................................................................................................................................... 26 5.3 Non-Motorized Transportation ............................................................................................................. 27 5.4 Data Collection ...................................................................................................................................... 28 6.0 IDENTIFICATION OF MOBILITY ISSUES ................................................................................................... 41 6.1 Stakeholder Input .................................................................................................................................. 41 6.2 Geometric Issues ................................................................................................................................... 47 7.0 TRAVEL DEMAND MODELING TOOL ...................................................................................................... 54 7.1 Traffic Forecast Methodology and Tool Development.......................................................................... 54 7.2 Roadway System Performance .............................................................................................................. 59 Iteris, Inc. | iii Mountain Area Transportation Study Mobility Issue Identification, Solution, and Implementation Plan | Draft 8.0 RECOMMENDATIONS ............................................................................................................................ 66 8.1 Location Issues Recommendations ....................................................................................................... 66 8.2 Operational Recommendations ............................................................................................................ 74 8.3 Geometric Recommendations............................................................................................................... 80 8.4 Informational Recommendations ......................................................................................................... 82 9.0 IMPLEMENTATION STRATEGY ............................................................................................................... 87 9.1 Project Implementation Methodology .................................................................................................. 87 9.2 Scoring and Ranking for Project Recommendations ............................................................................. 90 9.3 Agency Responsibilities ....................................................................................................................... 102 9.4 Funding ................................................................................................................................................ 103 Iteris, Inc. | iv Mountain Area Transportation Study Mobility Issue Identification, Solution, and Implementation Plan | Draft TABLES Table 4-1: 2015 SANBAG CTP Proposed Strategies ............................................................................................ 21 Table 5-1: Primary Roadway Network ............................................................................................................... 23 Table 5-2: Secondary Roadway Network ........................................................................................................... 25 Table 5-3: Average Daily Traffic ......................................................................................................................... 29 Table 5-4: Weekday and Weekend Peak Hours ................................................................................................. 38 Table 5-5: Traffic Congestion Due to Winter Conditions ................................................................................... 38 Table 5-6: Summer Season Arrival/Departure Peak Periods ............................................................................. 38 Table 5-7: Thanksgiving Holiday Arrival/Departure Peak Periods ..................................................................... 38 Table 5-8: Holiday Peak Periods ......................................................................................................................... 39 Table 6-1: General Issues ................................................................................................................................... 43 Table 6-2: Location Issues .................................................................................................................................. 44 Table 7-1: Daily Roadway Capacities .................................................................................................................. 56 Table 7-2: Volume/Capacity Ratio and Corresponding LOS ............................................................................... 59 Table 7-3: Existing Average Weekday Off-Peak Summer Traffic........................................................................ 60 Table 7-4: Future Average Weekday Off-Peak Summer Traffic ........................................................................