Traffic Control Technician Certification Practice Exam – 100 Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf
- What is the primary purpose of temporary traffic control (TTC)?
- To increase construction productivity
- To ensure work crews have maximum workspace
- To move road users safely and efficiently through a work zone
- To eliminate all traffic delays
Rationale: The TTC system exists to maintain safety and efficient
movement for all road users during work zone activities.
- Which document provides national standards for traffic control devices? 1 / 4
- ANSI Safety Manual
B. MUTCD
- OSHA Field Handbook
- FHWA Roadway Guide
Rationale: The Manual on Uniform Traffic Control Devices (MUTCD) is the
national standard for all traffic control devices.
3. A taper is used in work zones to:
- Slow down traffic
- Shift traffic from one lane to another
- Increase work space for crews
- Provide a pedestrian detour
Rationale: Tapers transition traffic laterally, such as for lane shifts or
closures.
4. The most important quality for a flagger to demonstrate is:
- Strictness
- Alertness
- Friendliness
- Speed
Rationale: Alertness ensures the flagger can react quickly to hazards and
control road users safely. 2 / 4
5. The “Buffer Space” in a work zone serves to:
- Store equipment
- Protect workers from errant vehicles
- Provide room for signs
- Maintain pedestrian flow
Rationale: Buffer space provides a safety zone between traffic and
workers/equipment.
6. A flagger should stand:
- In the middle of the open lane
- On the shoulder or a safe location facing traffic
- Behind work equipment
- Next to the taper channelizers
Rationale: Flaggers must be visible to road users and located in a safe
position.
- Which sign is usually the first to appear in a temporary traffic control
zone?
A. ROAD WORK AHEAD
B. END ROAD WORK
C. ONE LANE ROAD AHEAD 3 / 4
D. ADVANCE WARNING SIGN
Rationale: The TTC zone begins with advance warning signs notifying
drivers of conditions ahead.
8. The color used for temporary traffic control signs is:
- Blue
- Orange
- Yellow
- Green
Rationale: Orange designates temporary traffic control related to
construction and maintenance.
9. Channelizing devices should be placed:
- Only at night
- Randomly
- To guide drivers clearly around work activity
- In piles at the beginning of the work zone
Rationale: Channelizers provide visual guidance to safely navigate through
a work zone.
10. When two flaggers are used, they should:
- / 4