Section 2: TIA Report Outline

A technical memorandum or report should be compiled detailing the analysis completed and stating all findings and recommendations. The memorandum or report should include the following sections:
  1. Introduction and Executive Summary
    1. Study goals and purpose
    2. Executive Summary
    3. Figure 1: This figure shows site location and vicinity map
  2. Proposed Development
    1. Site development
      1. Site location and project descriptions
      2. Land Use
      3. Interim and Horizon years
      4. Influence Area
      5. Radius of Traffic Impact
      6. Background developments within study area
      7. Figure 2: This Figure shows Site location within radius of Traffic Impact
    2. Site Plan
      1. Site Access
      2. Figure 3: This figure shows project site plan
  3. Existing Conditions
    1. Site location and its surrounding network
    2. Study Intersections
    3. Study Roadways
    4. Traffic counts
      1. Count Date
      2. Count Data for other transportation modes including bikes, pedestrians, transit, etc.
      3. Count Periods
      4. Source of Data
      5. Reference to raw data
      6. Figure 4: This figure shows existing traffic volumes for all study intersections and roadways within Influence area
  4. Projected Traffic
    1. Future Background Growth
      1. Traffic volume growth rate beyond the analysis area
        1. Interim and Horizon years
        2. Reference to calculations
        3. Reference to confirmation and correspondence
      2. Background Traffic
        1. Traffic volumes generated by other approved developments within radius of impact
        2. Coordination with municipalities for surrounding approved developments
        3. Interim year background traffic volumes
        4. Horizon year background traffic volumes
      3. Future Roadway and Intersection Improvements
      4. Total Background Traffic Volumes
        1. Traffic background volumes should account for all approved developments in the analysis area as well as area growth beyond the analysis area without considering the generated traffic by the proposed development.
        2. Interim and horizon years
        3. Figure 5: This figure shows total future background traffic volumes for all study intersections and roadways within Influence area
    2. On-Site and Off-Site Development Traffic Forecasting
      1. Trip Generation
      2. Modal Split
      3. Determination of Pass-By Trips and Internal Capture reduction rates
      4. Trip Distribution
        1. Figure 6: This figure shows external and internal trip distribution percentages within influence area.
      5. Trip Assignment
        1. Figure 7: This figure shows estimated volumes solely generated by the project site and assigned to all study intersections and roadways within Influence area
    3. Build and Total Traffic Volumes
      1. Figure 8: This figure shows future build traffic volumes by adding site generated traffic to background traffic
  5. Traffic Operation Analysis
    1. Methodology
      1. HCM LOS Threshold Tables
      2. Applied Software (version)
    2. Existing Conditions Analysis
    3. Future Background Analysis
      1. Interim and horizon years
    4. Future Build Analysis
      1. Interim and Horizon Years
      2. Queuing Analysis
  6. Traffic Safety Analysis
    1. Safety considerations for all key intersections and key road segments
    2. Reviewing the location of access points on site plan in relation to existing nearby access points and intersections for safety considerations
    3. Site Plan examination to ensure that design of the external access points account for bicycle and pedestrian safety
    4. Safety and Crash analysis based on 5-year crash history withing the study area
    5. Crash Rate calculations and comparison with sitewide /municipalities acceptable rates
    6. Mitigation measure affects (include CRF as applicable)
  7. Site Visit
    1. Geometry verification
    2. Traffic Pattern verification
    3. Reference to findings
  8. Site Driveway Analysis
    1. Access connection Spacing Analysis
    2. Auxiliary Lane Analysis
    3. Sight, Stop, and decision Distance analysis
    4. Signal Warrant analysis
  9. Transportation Improvements Analysis
    1. Description and justification of needed improvements
    2. Mitigation measures
    3. Mitigation Analysis
    4. Multimodal Considerations
  10. Conclusions and recommendations
    1. Conclusions
    2. Recommendations
  11. Design Considerations
    1. New access and their locations
    2. ROW
    3. New Lanes
    4. Storage lengths
    5. Medians
    6. Bridges
    7. Ramp Storage
    8. Bicycle and Pedestrian accommodations
  12. Appendices
    1. Project Site Plan
    2. TIA determination worksheet/ Code of Ordinances
    3. TIA scoping document
    4. Collected Traffic Counts
    5. Sample Calculations (Growth Rate, Distribution percentages, etc.)
    6. Cost Estimates/Proportional Share
    7. ITE Trip Gen Pages
    8. Trip Distribution Calculations
    9. Traffic Analysis output Reports (Synchro, HCS, etc.)
    10. Signal Timing plans for signalized intersections (Existing)
    11. Site Visit Documentation
    12. Signal Warrants and documentation
    13. Referenced to municipalities Improvement documents/exhibits
    14. TDM Plans