North Carolina Justice Academy

North Carolina Department of Justice

At Scene Traffic Crash Investigation




November 14-18, 2016 Edneyville
December 5-9, 2016 Salemburg
June 5-9, 2017 Edneyville
June 19-23, 2017 Salemburg
Please check our "Available Training" page for the most current status of the course. 

Who Should Attend:

Law enforcement officers with traffic crash investigation responsibilities. NCJA Introduction to Traffic Crash Investigation is a prerequisite and must be successfully completed prior to attending NCJA At-Scene Traffic Crash Investigation.

Course Goal:

To enable the participants to determine minimum speed of vehicles involved in a crash based on physical evidence documented at the scene.

Course Objectives:

The student will be able to:

Perform a variety of mathematical computations to:
- Determine minimum vehicle speed based on physical evidence.

- Determine Time/Distance traveled.
- Solve Linear Equations.
- Perform Unit Analysis.
- Account for variations in perception/reaction times.

- Account for braking deficiencies when calculating speed.
- Determine the coefficient of friction for various surfaces.


The course employs demonstration, lecture and practical exercises.

Course Requirements:

Attendance is required at all class sessions. Satisfactory completion of practical exercises conducted throughout the course must be accomplished. A minimum score of 75% must be attained on the final exam.
Special Concerns:
Class will begin at 8:30 a.m. on the first day.  Students should bring a scientific calculator TI-30 capable of trigonometric functions. Students should plan to spend some time at night to complete practical exercises and study assignments. 


Register for ALL NCJA classes (online, traditional and web-based) on our North Carolina Justice Academy Training Portal. After signing in to the portal, you can view ALL available classes. If you don’t have a portal account, instructions for creating one are located here.



Course Coordinator:

Terry D. Miller


Length of Course:

Five days - 40 hours

TEICP Accredited Courses



The correct sequence for completing the traffic crash investigation courses should be:

• Introduction to Traffic Crash Investigation (40 hours)

• At-Scene Traffic Crash Investigation (40 hours)

• Advanced Traffic Crash Investigation (80 hours)

• Traffic Crash Reconstruction (80 hours)