Tire Impressions

Tire Impressions provide tracks and tread patterns as forms of evidence.

• True

• False

What kind of information can CSI get from Tire Tread Patterns?

• The direction the car went

• Brand of tire and unique wear marks

• How long the car is

• How wide the car is

What can Tire Tracks tell investigators?

• Direction the car went

• The size of the vehicle

• The turning diameter

• All of the these

Why do you think CSI would care about tire impressions?

What type of tread design does this tire have?

• Symmetrical

• Asymmetrical

• Directional

What type of tread design does this tire have?

• Symmetrical

• Asymmetrical

• Directional

This wear pattern is caused by:

• Over inflation

• Under inflation

• Excessive Toe

• Excessive Camber

Tags

NGSS.MS-PS2-2

Why are directional tread patterns often preferred for wet conditions?

• They can rotate in both directions, improving wear life

• Their design helps to channel water away from the tyre, reducing hydroplaning

• They are quieter than other tread patterns on wet roads

• They offer the best fuel efficiency in wet conditions

What type of tread design does this tire have?

• Symmetrical

• Asymmetrical

• Directional

What type of tire mark shows distance since brakes were applied and speed?

• Skids Marks

• Yaw Marks

• Tire Scrub

• Skid Scrub

Tags

NGSS.MS-PS3-1