What information is typically included in a TTCP legend?

• A. Device types, placement, spacing, timing, sequence of traffic control actions
• B. Vehicle types
• C. Weather forecast
• D. Employee names

Answer: (A)

The key idea here is understanding what a TTCP legend does: it translates the symbols and shorthand on the traffic-control plan into actionable on-site instructions. The legend lists the specific device types (cones, barrels, signs, barriers, lights), where each should be placed, how far apart they should be spaced, the timing of various elements (when lanes are closed, how long devices stay in place), and the sequence of traffic-control actions (the order in which devices are deployed, shifted, and removed). This combination keeps everyone reading the plan on the same page and ensures that the work zone is set up safely and efficiently.

Other options miss essential parts of how a TTCP is read. For example, listing vehicle types alone doesn’t cover the full range of devices and their arrangement; weather forecasts and employee names are not part of the legend and don’t guide the physical setup and timing of traffic control.