Apparent condition of the road which may have contributed to the crash.
Subfield 1: Road Circumstances 1
Backup Due to Prior Crash
Backup Due to Prior Non-Recurring Incident
Backup Due to Regular Congestion
Toll Booth/Plaza Related
Road Surface Condition (wet, icy, snow, slush, etc.)
Ruts, Holes, Bumps
Work Zone (construction/maintenance/utility)
Worn, Travel-Polished Surface
Obstruction in Roadway
Traffic Control Device Inoperative, Missing, or Obscured
Shoulder (none, low, soft, high)
Subfield 2: Road Circumstances 2
Subfield 3: Road Circumstances 3
Important to determine highway maintenance and possible engineering needs.