Caltrans Crash and Safety Management System


As part of an effort to help the California Department of Transportation (Caltrans) achieve its vision of zero deaths on California roadways by 2050, VHB is leading the design, development, and build of the Collison Coding, Safety, and Investigation modules of its Transportation System Network Replacement (TSNR)—the primary information system used to manage data and perform calculations to make the state‘s highway system safer. This effort will also help Caltrans comply with Federal Highway Administration (FHWA) mandates related to the Moving Ahead for Progress in the 21st Century (MAP-21) and Fixing America's Surface Transportation (FAST) Act.

The new and enhanced TSNR solution is a customized deployment of VHB’s Crash and Safety Management System (CSMS), providing industry leading functionality and serving as the source system of record (SSOR) for the collision coding, site investigations, and safety analysis modules. These modules are used by many Caltrans offices to maintain and link traffic census, collision data, and highway inventory data into the authoritative reporting system (ARS), which provides the reporting and analysis capabilities required by the department divisions. The new system will replace the older TSN, continuing its primary functions and capabilities, while expanding functionality to better serve Caltrans and partner agencies. In addition to design and development, VHB is providing training and ongoing support by leveraging a nationally recognized safety and technology team.

Aerial view of LA skyline with skyscrapers and freeway traffic below.


  • California Department of Transportation


  • Crash Analysis

  • Data Collection & Analysis

  • Database Design & Management

  • GIS/Geospatial Services

  • IT Consulting Services

  • Safety

  • Software Development & Implementation

  • Systems Integration

  • Traffic Safety Analysis