Currently the database contains records for every 25 meters. Opening another query. The user can open multiple video windows simultaneously, and windows of each query can be resized and repositioned. The system allows the running of one query's video while all the other queries' videos are frozen. The system allows users to choose which way to proceed at intersections or exit ramps.
Users can click on one of the arrows to make turns.
The current system also uses motion JPEG format to store and replay the highway-section videos. Engineering site data are stored in Microsoft Access Version 7 format. Open Database Connectivity drivers are used as the database interface for this system. It allows a highway agency to efficiently examine road and roadside structures without taking certain field trips. Kelvin C.P. Wang, Robert P. Elliot and Xuyang Li are in the Department of Civil Engineering at the University of Arkansas.