Practice question

What is a gap study used for in traffic engineering?

Measuring the spacing between pavement markings
Measuring the time headway between vehicles in the traffic stream to assess opportunities for merging, crossing, or turning
Identifying gaps in the highway guardrail system
Finding deficiencies in the traffic signal controller

Answer: B — Measuring the time headway between vehicles in the traffic stream to assess opportunities for merging, crossing, or turning

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