CRASH SCENE INVESTIGATION WORKSHEET
___/60 pts.
Student Name _______________________________________ Teacher Name _________________________
Student Name _______________________________________ Block # ________ Date __________________
Evidence collection
1. Crash Occurred on: _____________ (road)
2. At the intersection of: _______________ (cross street)
Damaged Areas on Car (Unit 1)
*Circle the appropriate damage description for this unit below.
3. Areas of Vehicle Damaged: Front
Rear
Top
Underside
4. Damage Severity: Non-Functional Functional
5. Damage Scale: None Light Moderate Heavy
6. Headlights: Both Intact
Both Damaged
7. Front Tires: Both Intact
Both Flat
8. Rear Tires: Both Intact
Both Flat
9. Windows (circle damaged only):
10. Vehicle Disposition:
11. Fire:
No Fire
Neither Damaged Rt damaged Lft damaged
Neither flat
Neither flat
Windshield
Driven away
Fire due to Crash
Rear
Rt damaged
Lft damaged
Rt damaged
Lft damaged
Front Rt Front Lft
Remained at Scene
Rear Rt
Rear Lft
Towed
Other Fire
12. Other Notes Regarding Car (Unit 1) – use notebook paper and attach to back of this worksheet.
Damaged Areas on Car (Unit 2)
*Circle the appropriate damage description for this unit below.
13. Areas of Vehicle Damaged:
Front
14. Damage Severity: Non-Functional
15. Damage Scale:
None Light
Rear
Top
Underside
Functional
Moderate
Heavy
16. Headlights:
Both Intact Both Damaged
Neither Damaged
17. Front Tires:
Both Intact
Both Flat
Neither flat
Rt damaged
Lft damaged
18. Rear Tires:
Both Intact
Both Flat
Neither flat
Rt damaged
Lft damaged
19. Windows (circle damaged only): Windshield
20. Vehicle Disposition:
21. Fire:
No Fire
Driven away
Fire due to Crash
Rear
Rt damaged
Front Rt
Remained at Scene
Front Lft
Lft damaged
Rear Rt
Towed
Other Fire
22. Other Notes Regarding Car (Unit 2)- use notebook paper and attach to back of this worksheet.
turn over
Rear Lft
INTERVIEW WITNESS STATEMENTS
23. Witness Statement #1
* Write down the pertinent witness responses to questions pertaining to the accident. Name of Witness: Mr. Kevin
Seymour Officer taking statement: Sgt. Peters assisted by new officers Location of statement: At scene of accident
24. Witness Statement #2
* Write down the pertinent witness responses to questions pertaining to the accident. Name of Witness: Mrs. Joan
Harless Officer taking statement: Sgt. Peters assisted by new officers Location of statement: At scene of accident
Unit 1 – post collision speeds:
25. Distance on asphalt =__________ Drag Factor on asphalt = 0.717
Percent braking = 70% or 0.70
26. Sa (Post collision speed on asphalt) = __________
27. Distance on grass =_________
Drag Factor on grass = 0.45
28. Sg (Post collision speed on grass)= _________
29. Post collision speed on both surfaces (also S3 below) = __________
30. W1 (weight of Unit 1) = ______________ S1 (approach speed of Unit 1) = _______________
31. W2 (weight of Unit 2) = ______________ S2 (approach speed of Unit 2) = _______________
32. A1 (approach angle of Unit 1) = ________ S3 (post-collision speed of Unit 1) = ____________
33. A2 (approach angle of Unit 2) = ________ S4 (post-collision speed of Unit 2) = 43 mph
34. A3 (post-collision angle of Unit 1) = ______
35. A4 (post-collision angle of Unit 2) = ______
Reported approach speed of Unit 2 was 55 mph, according to driver testimony.
Forces Impacting People
Driver, Unit 1 weighed 205 lbs.
Impact velocity = 63 ft per sec.
Distance = 0.2 ft.
36. Force exerted on 205 lb Driver of Unit 1 at time of impact = __________
37. Force exerted on 200 lb front passenger, Unit 1 at impact = __________
38. Force exerted on 110 lb back seat passenger, Unit 1 at impact = __________
39. Force exerted on 180 lb Driver of Unit 2 at impact = __________
40. Force exerted on 150 lb front passenger, Unit 2 at impact = __________
41. Force that would have been exerted on YOU had you been in Unit 2 = __________
Falls of more than 20 feet are potentially fatal.
42. A fall of how many feet equals the force on the Driver of Unit 1? __________
43. A fall of how many feet equals the force on the Driver of Unit 2? __________
turn over