Transportation Impact Study Format for the project in Fontana City in San Bernardino

Transportation Impact Study Format

The recommended TIA format is as follows:

1. Executive Summary

   • Table summarizing significant impacts and mitigation measures.

2. Introduction

   • Purpose of the TIA and study objective.
   • 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 analysis scenarios.

3. Methodology and Impact Thresholds

4. Existing Conditions

   • 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. Background Conditions (Opening Year) Analysis

   • No Project analysis:
     • Committed (funded) roadway improvements.
     • Approved project trip generation (Table, if required).
     • Approved project trip assignment and distribution (Exhibit, if required).
     • Peak turning movement and ADT (Exhibit).
     • Intersection level of service (Table).
     • Roadway segment level of service (Table).
   • 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.

7. Cumulative Year Analysis

   • No Project analysis:
     • Committed (funded) roadway improvements.
     • Pending projects and verification of how they are included in the travel demand forecasting model.
     • Cumulative Year peak turning movement and ADT (Exhibit).
     • Intersection level of service (Table).
     • Roadway segment level of service (Table).
   • 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. Traffic Signal Warrant Analysis

9. Site Access Analysis

10. Safety and Operation Improvement Analysis

11. Active Transportation and Public Transit Analysis

12. Improvements and Recommendations

    • Proposed improvements at intersections.
    • Proposed improvements at roadway segments.
    • Recommended improvements categorized by whether they are included in the fee plan or not. (Identify if these improvements are included in an adopted fee program).

13. Vehicle Miles Traveled (VMT) Analysis

    • Project VMT per person/employee for all analysis scenarios.
    • Project effect on VMT for all analysis scenarios.
    • Identification of VMT impacts.
    • Proposed VMT Mitigation Measures.

14. Appendix

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

Our Services are available throughout Fontana city in San Bernardino County with Zipcode 92336