Quickly estimate vehicle queue lengths with this easy-to-use calculator.  
Designed to assess the impact of signal timing, traffic flow, and lane capacity on queue build-up. 


How To Use 

Use the Queue Length Calculator by adjusting the slide bars for each variable or entering data directly into the input fields to instantly see updated results.  

Important: Don’t forget to take a screenshot of the assessment outcome and upload it to your daily paperwork.  


Traffic Queue Calculator

2 5 10 15 30

Estimated Queue Length  __

Calculation is based on a 5-minute period of real-time traffic controller observation.


If you have any questions or concerns regarding the data or outcome of the Queue Length Calculator, please contact your local Planning & Design Team below. 

NSW/ACT

02 8887 6900

VIC

03 9316 9100

SA

08 8243 07600

TAS

03 6274 1088

QLD

07 3292 4400

WA

08 9353 2244