MOT Temporary Traffic Control Plans 2

Question 1

Who is ultimately responsible for approving a Temporary Traffic Control (TTC) plan before work begins on a state highway?

Accepted Answer

The road authority or agency engineer

Answer

The road authority or agency engineer holds final approval authority for TTC plans on state highways.

Question 2

In a TTC plan, what does the term 'taper length' refer to?

Accepted Answer

The length of lane shifting or merging transition area

Answer

Taper length is the distance used to transition traffic laterally from one lane path to another in a merge or shift.

Question 3

Which MUTCD formula is used to calculate minimum taper length for speed limits of 45 mph or greater?

Accepted Answer

L = W × S²

Answer

For speeds 45 mph and above, the MUTCD taper length formula is L = W × S², where W is width in feet and S is speed in mph.

Question 4

A TTC plan includes a note that a particular road section requires 'one-lane, two-way traffic control.' Which device is most appropriate to manage this condition?

Accepted Answer

Flagger or temporary traffic signal

Answer

One-lane, two-way traffic flow is managed by a flagger or a temporary traffic signal to alternate traffic in each direction.

Question 5

When a TTC plan calls for nighttime work, what additional element is typically required that may not be needed during daytime operations?

Accepted Answer

Lighting or enhanced retroreflective devices

Answer

Nighttime work zones require lighting or enhanced retroreflective devices to maintain visibility for drivers and workers.

(MOT) Maintenance of Traffic Certification Practice Test

(MOT) Maintenance of Traffic Certification Practice Test

MOT Temporary Traffic Control Plans 2