ATSSA Traffic Control Supervisor "The Typical Project" Module 7

ATSSA Traffic Control Supervisor "The
Typical Project" Module 7
Planning
What stage:
Gather available data
Prior to occupying TTC zone
Consider the needs of all users
Coordinate between adjacent or overlapping projects
Design
What stage:
Select best traffic control alternative
based on: safety, mobility, cost, constructability
Traffic Factors, characteristics, and speed.
Traffic controls, urban features, and traffic generators
What Factors effect the design of a TTC plan
Long-term stationary
Intermediate-term stationary
short-term stationary
short-duration
mobile
What are the MUTCD categories of Work Duration?
Occupies location more than 3 days
larger channelizing devices and post mounted signs
conflicting roadway markings removed and replaced with temporary markings
cover or remove conflicting signage
Long-term stationary (MUTCD work duration category)
More than 1 day, less than 3 days
Nightime work of more than 1 hour
Intermediate-stationary (MUTCD work duration category)
Daytime work 1 to 12 hours
cones and portable signs
Short-term stationary (MUTCD work duration category)
work that moves intermittently or continuously
May use truck-mounted impact attenuators
Mobile (MUTCD work duration category)
Constructability
Nature of the work
access requirements
drainage issues, drainage during construction
construction equipment
size of work space