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Transportation Impact Study Format for the Project in San Bernardino

The recommended format for the TIS is as follows:

1. Executive Summary

  • Table summarizing significant impacts and mitigation measures

2. Introduction

  • Purpose of the TIS and study objectives
  • Project location and vicinity map (Exhibit)
  • Project size and description
  • Existing and proposed land use and zoning
  • Site plan and proposed project (Exhibit)
  • Proposed project opening year and phase opening

3. Methodology and Impact Thresholds

4. Existing Condition

  • Existing roadway network
  • Existing traffic control and intersection geometrics (Exhibit)
  • Existing traffic volumes – AM and PM peak hour and ADT (Exhibit)
  • Existing level of service (LOS) at intersections (Table)
  • Existing bicycle facilities (Exhibit)
  • Existing transit facilities (Exhibit)
  • Existing pedestrian facilities

5. Project Traffic

  • Trip generation (Table)
  • Trip distribution and assignment (Exhibit)
  • Project peak hour turning movements and ADT (Exhibit)

6. Existing Plus Project Analysis (if required)

  • Peak turning movement and ADT (Exhibit)
  • Intersection level of service (Table)
  • Roadway segment level of service (Table)
  • Identification of intersection and roadway segment impacts

7. Background Conditions (Opening Year) Analysis

  • a. No Project Analysis
    • Committed (funded) roadway improvements
    • Pending and approved project trip generation (Table, if required)
    • Pending and approved project trip assignment and distribution (Exhibit, if required)
    • Opening Year peak turning movement and ADT (Exhibit)
    • Intersection level of service (Table)
    • Roadway segment level of service (Table)
  • b. Plus Project Analysis
    • Plus Project peak turning movement and ADT (Exhibit)
    • Intersection level of service (Table)
    • Roadway segment level of service (Table)
    • Identification of intersection and roadway segment deficiencies

8. Cumulative Year Analysis

  • a. No Project Analysis
    • Committed (funded) roadway improvements
    • Pending and approved project trip generation (Table, if required)
    • Pending and approved project trip assignment and distribution (Table, if required)
    • Cumulative Year peak turning movement and ADT (Exhibit)
    • Intersection level of service (Table)
    • Roadway segment level of service (Table)
  • b. Plus Project Analysis
    • Plus Project peak turning movement and ADT (Exhibit)
    • Intersection level of service (Table)
    • Roadway segment level of service (Table)
    • Identification of intersection and roadway segment deficiencies

9. Traffic Signal Warrant Analysis

10. Site Access Analysis

11. Safety and Operational Improvement Analysis

12. Active Transportation and Public Transit Analysis

13. Improvements and Recommendations

  • Proposed improvements at impacted intersections
  • Proposed improvements at impacted roadway segments
  • Recommended improvements categorized by inclusion in a fee plan (Identify if these improvements are included in an adopted fee program)

14. Vehicle Miles Traveled (VMT) Analysis

  • Project VMT per person/employee
  • Project effect on VMT
  • Identification of VMT impacts
  • Proposed VMT Mitigation Measures

15. Appendix

  • Approved scope of work
  • Traffic counts
  • Intersection analysis worksheets
  • VMT and TDM mitigation calculations
  • Signal warrant worksheets

 

Our Services are available throughout San Bernardino including Upland, Victorville, Yucaipa, Yucca Valley city with Zipcodes 91784, 91785, 91786, 92392, 92393, 92394, 92395, 92399, 92284, 92286

Serving Both Public and Private Sector Clients

Based in Los Angeles California, our firm provides comprehensive transportation consulting services from conceptual planning onward, with the goal of delivering efficient, high-quality creative solutions and seeing them through to the completion of projects. We have skilled traffic engineers and transportation planners to undertake a variety of projects with confidence while meeting the needs of a diverse clientele.