2025 Official Clue References
MUTCD
Road Safety Fundamentals
Traffic Wiki
Western ITE
100

This is the number of official clue resources listed in the Traffic Bowl rules.

What is 9?

100

This type of sign has eight sides.

What is a stop sign?

100

The driving task hierarchy consists of these three tasks.

What are control, guidance, and navigation?

100

This online tool serves as the one stop shop for knowledge of all things traffic engineering.

What is the ITE Traffic Wiki?

100
These are the five states that make up the ITE Western District.

What are Alaska, Washington, Oregon, California, and Hawaii?

200

Clues for the Traffic Bowl are primarily drawn from material on this website.

What is ite.org / ITE Traffic Wiki?

200

This is the standard shape of a warning sign.

What is a diamond / diagonal square?

200

This is the seventh warrant in warrant analysis, a series of tests to determine the necessity of a signal at an intersection.

What is crash experience?

200

The Traffic Wiki replaces this ITE document, which was first published in 1941.

What is the Transportation Engineering Handbook?

300
Rules and standards about traffic signs in the US can be found in this reference.

What is the MUTCD?

300

These are the three major types of signs, as listed in the MUTCD.

What are regulation, warning, and guide signs?

300

Limited driver perception in closing speed can potentially lead to this type of crash.*

What is a rear-end crash?

300

The TrafficWiki table of contents contains this many chapters.

What is 16?

300

This person is the current president of the Western ITE district.

Who is Pat Marnell? (2025)
400

The Transportation Planning Process Briefing Book Key Issues for Transportation Decisionmakers, Officials, and Staff is a reference manual created by this organization.

What is the Federal Highway Administration (FHWA)?

400

This is a five-sided warning sign that is shaped like a home plate in baseball.

What is a school zone sign?

400

Distraction, Fatigue, Driving Speed, and Age are all contributors to this type of crash.

What are human factors?

400

The Traffic Wiki is only available to these members.

What are ITE members?

400

The 2025 ITE Western District Annual Meeting will be held in this city.

Where is Long Beach, CA?

500
Name one of the two clue resources that are primarily used in Canada.

What are the Ontario Traffic Manuals or the Canadian Capacity Guide?

500

These are three of the five crash severity categories according to the letters in the KABCO scale.

What are fatal, incapacitating, non-incapacitating, possible, and property damage only?

500

Wiki master Steve Newell aimed to create the ITE resource to be this type of document, as described by Steve Kuciemba.

What is a living document?

500

In 2014, students from the ITE Western district gathered together at this event.

What is the Student Leadership Summit?