Traffic Crash Analysis Tool

traffic-crash-analysis-toolThe Transportation Improvement Association’s (TIA) Traffic Crash Analysis Tool (TCAT) is a comprehensive, web-based traffic crash analysis program designed for the detailed study of traffic crashes at any location within the state of Michigan.

The following is a summary of a few reports that are available on TCAT (click each link to view a sample report):

  • Intersection Crash Report: Summary data of each crash at a user-selected intersection with the ability to create a collision diagram and mapping of these crashes. The user has the ability to produce reports based on extensive filtering of specific crash data.
  • Link Crash Report: Summary data of each traffic crash on a user-selected road segment with the ability to map these crashes. The user has the ability to produce reports based on extensive filtering of specific crash data.
  • Statistics Report: Summary data of each traffic crash within a selected county, or community within any county. The user has the ability to produce reports based on extensive filtering of specific crash data.
  • Intersection Ranking Report: Ranking report of intersections within a selected county or community within any county. The user has the ability to produce reports based on extensive filtering of specific crash data.
  • Link Ranking Report: Ranking report of major road segments within a selected community. The user has the ability to produce reports based on extensive filtering of specific crash data.
  • Monthly Crash Summary Report: Summary report of injury traffic crashes and occupant injuries for a user-selected county or community within any county.
  • Collision Diagram: A graphical drawing, which further illustrates the crash patterns evident at various intersections.

TCAT also includes the following components:

  • Searching for crash locations or crash specific data.
  • Interacting with the map to obtain detailed crash statistics.
  • UD-10 report images.

TCAT provides an extensive filtering capability so that users can process their own unique traffic crash reports.  Some of the data fields that can be selected are:

  • Alcohol/drug use
  • Day of week
  • Driver condition
  • Hazardous action
  • Injury type
  • Lighting
  • Occupant age
  • Position in vehicle
  • Restraint use
  • Road area
  • Road condition
  • Time of day
  • Traffic control
  • Type of crash
  • Type of vehicle
  • Vehicle activity prior to crash
  • Weather

TCAT is available to member communities of TIA at no cost.  Engineering firms are able to purchase an annual membership for a fee.

For more information, please contact Patrick Cawley at (248) 334-4971.