Traffic Engineering
Traffic Planning
Signals
ACRONYMS
100
It is the area between traffic lanes for control of movements
What is Traffic Islands?
100
Areas with population of greater than 200,000 in planning process.
What is Transportation Management Areas?
100
The right of way interval in which the signal indication is green
What is Green Interval?
100
TIP
What is Transportation Improvement Plan?
200
It is an operational concept that refer to keeping a directional path along and throughout the length of a designated route without existing the primary facility
What is route continuity?
200
All areas those expected to become urbanized within a 20 year period
What is Metropolitan Planning area Boundary?
200
A controller output associated with one or more phases
What is Overlap?
200
WRM
What is Walk Rest Modifier?
300
Average twenty four hour traffic volume at a specific location over a specified period.
What is ADT?
300
SAFETEA-LU
which organization governs the practice of transportation planning in the US?
300
The transfer of normal operation of traffic control signals to a special control mode to assist passage of emergency vehicles and other designated traffic such as ships and trains
What is Preemption control?
300
MPO
What is Metropolitan Planning Organizations?
400
the Flow facilities that have controlled and uncontrolled access points.
What is Interrupted-flow facilities?
400
Short term programming document that described all of the projects that are to be implemented in a four to six year period.
What is TIP?
400
A set of phase allocations for a given timing sequence, equaling the sum of green, pedestrian clearance, yellow and all-red times.
What is Split?
400
SSD
What is Stopping Sight Distance?
500
It is a measure of traffic flow quality provided by a highway or street
What is Level of Service?
500
The coordination of activities among transportation planners and managers with responsibility for day-to-day transportation operations.
What is Planning for operations?
500
a mode of traffic control signal operation in which left or right turns may be made only when left or right green arrow signal is displayed.
What is protected (exclusive) mode?
500
ATR
What is Automatic Traffic Recorder?