This site map will direct you to the most requested pages and topics on this web site. You can also use the links on the left side of the page. If you cannot find the information you need, please contact us.


Home Page

Collision Data Recorders

        Overview

        New! Video on Crash Data Recorders! Preview Available!

        Vehicle Listing

        Example Download Report

        Service Providers

        Case Law

        Frequent Questions

        Data Recovery Protocols

        Reports and Standards

Index to Articles

Skid Marks and Brakes

        Skid Test Video

        Skid Speed and Distance Tables

        Skid Speed Calculator

        Drag Sleds

        Determining Vehicle Speeds from Skid Marks

        Skid Mark Evidence

        Antilock Brakes - What they can and cannot do . . .

        Anti-Lock Brakes - Some good news, some bad news . . .

Trial Exhibits, Evidence, Witnesses and Testifying

        Preserving and Presenting Evidence in Traffic Accident Cases

        How Credible are Eyewitnesses?

        Human Factors - Perception and Reaction

        Errors in Accident Reconstruction

        Cause and Contributing Factors in Traffic Accidents

        Licensing for accident reconstructionists?

        Computer Animation - Is it the right tool to use?

        Principles of Testifying

        Expert Witness Record Requirements

Environmental Factors and Lighting

        Night-time Photography

        Determining Ambient Light Levels

        Lamp Examination to Determine On or Off in a Collision

        Truck Lamp Requirements

        Trailer Lamp Requirements

Tractor-Trailers  

        Tractor-Trailer Underride - Another Look - and Another

        Trailer Underride Revisited

        Trailer Underride: Conspicuity, Human Factors and Rear Bumpers