Traffic Safety Tools

4N6XPRT Systems StifCalcA new update to the 4N6XPRT StifCalc program has been released and is currently shipping. The update incorporates a force-balance calculation module for accurate crush energy evaluation in vehicle collisions, where one of the vehicles has little or no crash test exposure. In order to increase the program's usability as a research tool, the program now allows the user to download all of the available photos, videos, and contractor reports for a given test. The program will