Civilian Academy- Week 6 TrafficTypes of Collisions
Head on
Side swipe
rear end
broadside
Vehicle v. pedestrian
Vehicle v. bicyclist
Collision Investigation
Information Needed
Location
Date/Time
Parties Involved
Direction of travel
Witnesses and passengers
Movement proceeding collision
Evidence located at the area of impact
Primary collision factors (PCF)
Other driver could not avoid the collision
moving violation
-speed, right of way, turning movements, following too closely, failure to obey traffic signals, etc
At fault driver may be cited for violation
Speed Indicators
Crush of vehicle
Tire friction marks
Rear end collisions
Statement of driver
Statement of witnesses
Basic Speed Equation
That's where math really starts
Calculations for Crush
Calculations for momentum
Calculations for elevation changes
And more if you want to become a reconstructionist
Traffic Safety
The 3 E's
Education
Enforcement
Engineering
Traffic Enforcement
Equipment
Radar speed trailer
Radar speed sign
Motorcycle
Radar gun
LiDar gun
Pas device
DUI trailer
Duties
Parking enforcement
traffic enforcement
vehicle abatement
crowd control
traffic control
parades
escorts
laws
21650CVC Bicycle same as traffic
21950CVC yeild to pedestrian
21955CVC pedestrians in roadway
22107CVC turning and signal
22350CVC unsafe speed
23120CVC Temple width
23152CVC Driving under the influence
Field Sobriety Tests
Horizontal gaze nystagmus
Vertical gaze nystagmus
walk & turn
one leg stand
lack of convergence
pulse
romberg stand
pupillary comparison
pupillary reaction to direct light
Traffic Operations
DUI checkpoints and patrols
Distracted driving enforcement of California's hands-free cell phone law
Bicycle and pedestrian safety enforcement operations
Enforcement operations focused on top violations that cause crashes
-speeding, failure to yield, running stop sign/ red light, improper turning/ lane changes
Community education presentations on traffic safety issues
Officer training and/or recertification
-standard field sobriety test (SFST)
-advanced roadside impaired driving enforcement (ARIDE)
-Drug recognition expert (DRE)