Traffic Investigation

I.     Course Prefix/Number: LAE 276

       Course Name: Traffic Investigation

       Credits: 3 (3 lecture; 0 lab)

II.    Prerequisite


III.   Course (Catalog) Description

Course studies traffic and law enforcement.  Content includes duties of agencies responsible for highway traffic law enforcement; accident investigation; regulation and enforcement, and Illinois traffic laws.

IV.   Learning Objectives

  1. To familiarize the student with the laws, tools and techniques of traffic investigation.
  2. Expose students to principles of accident investigation, reporting and reconstruction.
  3. Provide knowledge in such areas as speed determination from skidmarks, coefficient of friction, measurements, scale diagramming, and elements of traffic offenses.

V.    Academic Integrity and Student Conduct

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.

Please review the Code of Academic Conduct and the Code of Student Conduct, both located online at

VI.   Sequence of Topics

Introduction to course - overview
Introduction to measurements, triangulation, coordination, reference points and diagramming.
Field exercise - measurements
Issuance of license, traffic signs and signals.
Accidents reconstruction
Issuance of license, traffic signs and signals
Driving under the influence; field sobriety tests
Speed restriction.
Driving on roadway – “Elements of Offense” for traffic laws in Illinois Vehicle code.
Turning, right of way.
Pedestrians rights and duties.
Special stops required.
Stopping, standing and parking.
Lights and lamps, brakes, tires.
Glass, windshield and mirrors.
Miscellaneous and special requirements.
Size, weight, load.
Practical exercises – Fill-out the Illinois Crash Report
Complete a “Field Sketch” for a mock accident.

VII.  Methods of Instruction

Lecture/discussion/audio-visual/field work/class projects.
Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

Reading/writing/basic math, completing class assignments.

Course may be taught as face-to-face, hybrid or online course.

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

The Illinois Compiled Statutes, Chapter 625 (Illinois Vehicle Code.)

X.    Methods of Evaluating Student Progress

Two exams, quizzes, course projects, field exercises.

XI.   Other Course Information

Students need a traffic template, calculator and draftsman's compass.

Class attendance required.

If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.

Oakton Community College is committed to maintaining a campus environment emphasizing the dignity and worth of all members of the community, and complies with all federal and state Title IX requirements.

Resources and support for
  • pregnancy-related and parenting accommodations; and
  • victims of sexual misconduct
can be found at

Resources and support for LGBTQ+ students can be found at

Electronic video and/or audio recording is not permitted during class unless the student obtains written permission from the instructor. In cases where recordings are allowed, such content is restricted to personal use only. Any distribution of such recordings is strictly prohibited. Personal use is defined as use by an individual student for the purpose of studying or completing course assignments.

For students who have been approved for audio and/or video recording of lectures and other classroom activities as a reasonable accommodation by Oakton’s Access Disabilities Resource Center (ADRC), applicable federal law requires instructors to permit those recordings. Such recordings are also limited to personal use. Any distribution of such recordings is strictly prohibited.

Violation of this policy will result in disciplinary action through the Code of Student Conduct.