In Network Screening - Segments, all routes in Idaho are subdivided into segments to facilitate network screening. This allows you to compare smaller portions of a roadway with similar characteristics in Network Screening rather than evaluating an entire route.
Segment Criteria
When segmenting a route, a new segment is created each time one or more of the following roadway characteristics change:
Volume on the route (AADT, or Annual Average Daily Traffic)
Please note: Idaho is in the process of updating its segmentation characteristics, and updates should be live by the end of October 2025.