V15. Total Lanes in Roadway

Definition:

Total number of lanes in the roadway on which this motor vehicle was traveling.

Element Attributes:

For undivided highways:

Enter the total through lanes in both directions, excluding designated turn lanes.

For divided highways:

Enter the total through lanes for the roadway on which the motor vehicle under consideration was traveling. See Appendix E for diagram of the trafficway.

Rationale:

Used in studying roadway safety issues as well as identifying the environment of a particular crash.