Roadway description – Indication of whether or not the roadway for this vehicle is divided and whether it serves one-way or two-way traffic. A divided roadway is one on which roadways for travel in opposite directions are physically separated by a median.
Total number of lanes – Total number of lanes in the roadway on which this motor vehicle was
traveling. Include all continuous travel lanes in both directions for undivided roadways.
Divided roadways, include only continuous travel lanes in direction of crash.