:
The prevailing number of lanes carrying through traffic in the Secondary Direction of Traffic, excluding, parking, turning, auxiliary, climbing, acceleration or deceleration lanes.
:
This value is the number of through travel lanes in the primary direction of the roadway. Continuous left-turn lanes and right-turn lanes do not count as through lanes. If a new through lane is created or comes to an end between two existing segments, the start and ending reference points should be recorded as segment breaks where the pavement fully contains the new through lane(s), excluding the taper.