4th Edition Modified Elements
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C16. Relation to Junction


Definition:

The coding of this data element is based on the location of the first harmful event of the crash. It identifies the crash's location with respect to presence in a junction or proximity to components typically in junction or interchange areas. See Appendices G and H.
Element Attributes:

Subfield 1: Within Interchange Area

No
Yes
Unknown
Subfield 2: Specific location

Non-Junction
Intersection
Intersection-Related
Entrance / Exit Ramp
Entrance / Exit Ramp-Related
Railway Grade Crossing
Crossover-Related
Driveway Access
Driveway Access-Related
Shared-Use Path or Trail
Through Roadway
Acceleration / Deceleration Lane
Other Location Not Listed Above Within an Interchange Area (median, shoulder and roadside)
Unknown


Rationale:

Important for site-specific safety studies to identify locations with actual or potential problems.