California street-level kinematics · CHP CCRS + OpenStreetMap

3D car crash street reconstruction studio

Project reported California collision records onto OpenStreetMap street carriageways and step through a 120 Hz rigid-body kinematic model. Every reconstruction separates officer-recorded fields from street-network attributes and modeled engineering assumptions.

Representative California crash archetypes

Select a real California corridor preset or load any reported CCRS collision ID onto OpenStreetMap street geometry.

Left-Turn Across Opposing Path (Broadside)·WILSHIRE BLVD & N LA CIENEGA BLVD, Beverly Hills
120 Hz · 10.38 ms
Interactive 3D street reconstruction viewport activates in browser
-2.40s / +4.3s
Speed profile (mph) · Click or drag chart to scrub
P120 mphP236 mph
50250impact 0.0s
Jump to event:
Layers:
Closing speed
37.2 mph
Peak delta-V
21.6 mph
Peak deceleration
14.7 g
Energy dissipated
130 kJ

An eastbound sedan initiates a permissive left turn across three opposing westbound lanes as an oncoming SUV enters the intersection at arterial speed.

Test kinematic assumptions
100%
0.78 (dry)
+0.00s later
+0.00 m
Adjusting any slider re-solves 120 Hz rigid-body trajectories, tire-skid onset, and yaw momentum in place without resetting your 3D camera angle.
Scope and limitations: Reconstructions pair reported CHP CCRS fields and OpenStreetMap street geometry with deterministic rigid-body physics assumptions. Speeds, braking onset, and post-impact motion are illustrative engineering estimates, not official crash reconstruction findings or legal determinations of fault.

1. Reported public record inputs

Collision type, primary road, cross street, secondary offset distance, weather, lighting, roadway surface, party travel directions, vehicle body classes, and CHP inside-out lane numbers come directly from CCRS when present.

2. Stitched OpenStreetMap carriageway

Nearby OpenStreetMap road ways are chained into continuous local-meter polylines with lane counts, one-way rules, posted speed limits, and multi-way intersection conflict anchors. Unmapped records fall back to a parametric corridor template.

3. Deterministic 120 Hz impulse solver

Because public crash summaries omit pre-impact telemetry, approach speeds, braking onset, restitution, and post-impact Coulomb tire scrub are modeled from physical defaults and can be tested live in the Assumptions panel.