Mobile traffic and local travel patterns can create crash scenarios that are time-sensitive and evidence-dependent. For example:
- Nightlife and event weekends can increase impaired driving risk on nearby roads.
- Commuter routes and higher-speed stretches can change how quickly cars are moved, photographed, or repaired.
- Tourist and visitor travel means some witnesses may be from out of town and harder to locate later.
When a crash involves suspected impairment, the case often turns on how quickly records were gathered, what the officer observed, and whether key evidence is preserved before it’s lost.


