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TPCB Professional Traffic Operations Engineer Practice Sample Questions:

1. A signalized intersection has a lost time of 4 seconds per phase and 4 phases. If the desired volume-to- capacity ratio is 0.85, what is the minimum cycle length to handle a critical lane volume of 1,200 vehicles
/hour?

A) 80 seconds
B) 60 seconds
C) 120 seconds
D) 100 seconds

2. A Crash Modification Factor that is less than 1.0 indicates that:

A) Crashes will likely be reduced
B) Crashes will likely be unchanged
C) No conclusions about crashes are possible
D) Crashes will likely be increased

3. The NCEES Model Rules of Professional Conduct prohibits the registered engineer from doing all but one of the following. Which one can the engineer do?

A) Indiscriminately criticize the work of another registered engineer
B) Giving gifts to people in order to promote business and obtain work
C) Accept compensation from more than one party for services on the same project, once the circumstances are fully disclosed and agreed to by all parties
D) Affix a signature or seal to any plans or documents not prepared under the engineer's control and supervision

4. Yan, a consulting environmental engineer, discovers a garbage company employee dumping liquid into a stream, which is a violation of environmental regulation. After the yard manager dismisses her concerns, what is Yan's most appropriate next step?

A) Write a letter to the garbage company president outlining what she discovered and advising that the dumping practice is an environmental regulation violation
B) Advise the local town council of the situation at the next opportunity
C) Assume that since it has gone on for a long time, there is no major hazard being created and forget what she saw
D) Terminate her consulting with the garbage company

5. A freeway segment with a flow rate of 2,500 vehicles per hour and a space mean speed of 55 mph has what traffic density?

A) 45 vehicles/mile
B) 50 vehicles/mile
C) 55 vehicles/mile
D) 40 vehicles/mile

Solutions: