How to Improve Your Traffic Monitoring and Data Collection

Smart Traffic on City Road - Data Collection

Should you be measuring the performance of your traffic operations? You probably guessed “yes!”, so why are few agencies and municipalities doing so?

In fact, the category “traffic monitoring and data collection” was given a failing grade on a national level in the National Transportation Operations (NTOC) 2012 US report card.

Considering the importance, it is imperative that our industry continues to improve upon this.

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How Technology is Revolutionising Intersection Performance Evaluation

Highway Capacity Manual (HCM) traditionally proposes an 8-step method to evaluate the performance of signalized intersections. This evaluation begins from the calculation of the saturation flow rate all the way to estimating the Level of Service (LOS) of the intersection. This method makes use of a volume-delay function based on a traffic simulation model developed in early 1970s. The HCM and similar methods although provide an “estimation” of the intersection performance, there are several disadvantages associated with it that can be also the sources for inaccuracies:

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