Traffic Control and Maintenance of Traffic Flashcards

What is the minimum width of a temporary lane used for through traffic on an FDOT construction project on an urban arterial?

Answer: 11 feet

FDOT specifies a minimum temporary lane width of 11 feet for through traffic on urban arterials during construction, balancing safety and construction needs.

What does a 'shadow vehicle' provide in an FDOT lane closure operation?

Answer: Provides a protective buffer behind the work crew using an attenuator

A shadow vehicle equipped with a truck-mounted attenuator (TMA) follows behind the work crew, absorbing errant vehicle impacts to protect workers.

According to FDOT specifications, what is the maximum gap between traffic control devices (cones/drums) in a lane closure taper?

Answer: 25 feet

FDOT requires a maximum spacing of 25 feet between channelizing devices in a lane closure taper to provide continuous visible guidance.

What is the purpose of a 'pilot car' in FDOT construction zone traffic control?

Answer: Lead traffic through one-way alternating traffic control sections

A pilot car guides alternating one-way traffic through construction zones where the road is reduced to a single lane, ensuring safe passage.

Which FDOT certification is required for individuals who supervise or design MOT plans on FDOT projects?

Answer: Advanced Work Zone Traffic Control (ATSSA or equivalent)

FDOT requires supervisors and designers of MOT plans to hold an Advanced Work Zone Traffic Control certification, such as the ATSSA or equivalent approved course.

What type of sign is used to notify motorists of a road closure ahead on an FDOT project?

Answer: An orange warning sign reading 'ROAD CLOSED'

Road closed notification in a work zone uses orange temporary warning signs, consistent with the temporary traffic control color scheme.