This section is often used as a "catch all" when it comes to the cause of a collision.
What is 22350 (speed)?
100
This mark is made with little pressure. It typically shows where sheet metal body or stronger parts dragged across the surface of the roadway.
What is scrape/scratch?
100
You’re stuck in heavy traffic on a busy highway. Another car cuts off the driver in front of you, forcing him to slam on the brakes. You try to stop, but there’s no time… and you rear-end the guy in front of you.
What is Swoop and Squat?
100
This agency created the CIM.
What is the CHP?
200
POR
What is Point of Rest?
200
This section may, in fact, be more appropriate when it comes to rear end collisions, but is often overlooked due to lack of independent witnesses.
What is 21703 (Following Too Close)?
200
This tire friction mark is indicative of the AOI.
What is a skid deviation?
200
You’re attempting to merge when another driver waves you forward. Instead of letting you in, he slams into your car. When the police arrive, he denies ever motioning to you.
What is Drive Down?
200
This law reminds us that a body at rest tends to stay at rest.
What is Newton's First Law?
300
PCF
What is Primary Collision Factor?
300
This violation occurs primarily at intersections where one party doesn't wait their turn.
What is failing to yield (21800 sections)?
300
Let me "axe" you about this broad, shallow gouge that appears to be obliquely created by vehicle frames.
What is a chop?
300
As you round a corner at a busy intersection with multiple turn lanes, you drift slightly into the lane next to you. The car in that lane steps on the gas and sideswipes you.
What is Sideswipe?
300
Damage to a vehicle involved in a collision that was not the point of contact is referred to as this.
What is Induced Damage?
400
PDO
What is Property Damage Only?
400
This section requires bicycles to follow the same rules of the road as motor vehicles.
What is 21200?
400
This long, narrow gouge is typically made by projecting nuts or studs dragging along the roadway surface.
What is a groove?
400
You’re crossing an intersection when a car coming from a side street accelerates and hits your car. When the police arrive, the driver and several planted “witnesses” claim that you ran a red light or stop sign.
What is T-Bone?
400
These three E's work together to reduce collisions.
What is Education, Engineering, and Enforcement?
500
CIM
What is Collision Investigation Manual?
500
This section covers responsibilities of both the driver and pedestrian at a crosswalk.
What is 21950 (a/b)?
500
This road damage is a small DEEP gouge where a chunk of paving appears to have been dug out as might be done with a pick axe.
What is a chip?
500
The parties bring damaged vehicles out to a “scene.” They bring a bag of car parts and throw them on the roadway. The officer responds and takes a report.
What is Paper Accident?
500
The resistance to relative motion between two bodies in contact.