Desert recreation
Trail geometry, visibility, signage, traffic patterns and site control may need immediate documentation.
California
Different locations create different questions: public recreation land, private property, farms, roads, rental operations and organized tours.

California field focus
Access rules, trail condition, land ownership, rental agreements, vehicle registration and insurance coverage can affect the analysis. Early investigation helps keep those facts from disappearing.
Trail geometry, visibility, signage, traffic patterns and site control may need immediate documentation.
Inspection logs, waivers, training, maintenance and vehicle assignment records can be time-sensitive.
Employer control, machine configuration, training and overlapping coverage require focused analysis.
Preserve the evidence
A review helps identify the vehicle, evidence, deadlines and right jurisdiction.