FDOT Traffic Control and Maintenance of Traffic 3

Question 1

What is the minimum retro-reflectivity level required for temporary orange construction zone signs on FDOT projects?

Accepted Answer

Type III sheeting

Answer

Type I sheeting

Answer

Type VI sheeting

Answer

Type IX sheeting

Question 2

According to FDOT MOT requirements, what must happen to traffic control devices during nighttime hours when active work is not occurring?

Accepted Answer

Unnecessary devices must be removed or covered

Answer

They may be removed to reduce traffic confusion

Answer

They must remain in place exactly as during daytime

Answer

Additional devices must be added for nighttime conditions

Question 3

What is the required minimum height above the road surface for temporary overhead signs installed over travel lanes in FDOT work zones?

Accepted Answer

14 feet 6 inches

Answer

15 feet

Answer

15 feet 6 inches

Answer

16 feet

Question 4

What is a 'channelizing device' as defined in Florida's MUTCD for work zones?

Accepted Answer

A portable traffic control device that guides drivers through a work zone

Answer

Any device that channels stormwater through the work zone

Answer

A hand-held signaling device used by flaggers

Answer

An electronic message board in a work zone

Question 5

On FDOT projects, when is a flagger required in addition to traffic control devices for a lane closure?

Accepted Answer

When sight distance is restricted or device visibility is impaired

Answer

Always — flaggers are required for every lane closure

Answer

Only when two or more lanes are closed simultaneously

Answer

Never — electronic signals replace flaggers on FDOT projects

Question 6

What does the FDOT designation 'TTC' stand for in the context of work zone safety?

Accepted Answer

Temporary Traffic Control

Answer

Traffic and Transportation Control

Answer

Total Travel Costs

Answer

Traffic Timing and Coordination