Abbreviations
PCMS
What is a portable changeable message sign?
These are the two types of vertical curves.
What are crest and sag curves?
These are eight of the nine warrants in Warrant Analysis.
What are: 8h, 4h, 1h, School, Coordinated Signal, Crash Exp, Road Network, Rail? (8 of 9)
very important to have down!!
This interval follows a yellow change interval and precedes the next conflicting green interval.
What is a Red Clearance Interval / All-Red Interval?
This is what ITE stood for when it was initially founded.
What is the Institute of Traffic Engineers?
What is the American Railway Engineering and Maintenance-of-Way Association?
In geometric roadway design, this design factor is usually assigned the variable e.
What is superelevation?
This is the minimum time given (in seconds) for pedestrians to cross the road at the intersection.
What is 7?
This type of highway connects small towns and local highways to arterial highways.
What is a collector highway?
What is 1930?
RRFB
What is a rectangular rapid-flashing beacon?
When designing roads, Stopping Sight Distance (SSD) is directly related to this variable.
What is Design Speed?
This type of diagram is often used in pre-timed signal analysis to determine the phasing sequence.
What is the Ring (or Ring-and-Barrier) diagram?
These are three of the four factors considered in trip modelling/forecasting.
What are trip generation, trip distribution, mode choice, and route choice? (3 of 4 needed).
This person is the current president of ITE Western District.
Who is Pat Marnell?
SHV
What is a Specialized Hauling Vehicle?
DAILY DOUBLE
What are coral and light blue?
This term refers to the time difference between green initiations of the same movement.
What is offset?
This area is usually found on the road where lanes diverge (ex. a freewat exit) and is usually in a triangle shape.
What is a gore?
This person is the current president of the ITE SoCal Section.
Who is Jason Xu?
HAWK
What is a High-Intensity Activated Crosswalk?
DAILY DOUBLE
What is 3.5 ft?
This formula for delay takes into account both random and overflow delay.
What is Akcelik's delay?
This term refers to the time difference between a point on the leading vehicle and the same point on the rear vehicle.
What is headway?
Gap - Time between rear of front vehicle, front of following vehicle
Clearance - Distance Between rear of front vehicle, front of following vehicle
This is the host city of ITE Western District's Annual Meeting in 2026.
Where is Bellevue, WA?