State Highway System Intersection

Because Caltrans is using Roads and Highways (R&H) and maintains the AllRoads and Postmile networks together in R&H, the system provides translation tools to derive the Postmile value at the intersection points using the AllRoads LRS information.

Methodology - The source of data is a combination of Caltrans Roads and Highways (R&H), the AllRoads and Postmile networks together in R&H. This is implemented by creating a process to populate the Postmile values onto the DOT-maintained Intersection detailed dataset.