MAG Bottleneck Study 2014-2016

(Version 2.0, updated on May 23, 2017)

Interactive Bottleneck Report

*Powered by National Performance Management Research Data Set (NPMRDS).
*See More Info for bottleneck identification algorithm.

Click the interactive data report below to select, filter, or sort data on the charts. To resume to the default view, use 'Reset' button at the bottom.
Click the interactive data report above to select, filter, or sort data on the charts. To resume to the default view, use 'Reset' button at the bottom.

Case Study: I-10 Freeway Corridor through Downtown Phoenix

* For more details, check More Info for a paper about this case study published at Transportation Research Record.

Scroll through the infographic below to learn more about how the Time-Lapse Aerial Photography survey was conducted.

Findings of Case Study

Origin-Destination Volumes (2 hours)

Travelling Direction
Travelling Direction
Travelling Direction
Travelling Direction

Speed and Lane Changing

  • Use tabs below to examine Travel Speed and Frequency of Lane Changing along road segments for each lane by travelling direction and peak period.
  • The size of square indicates the frequency of lane changes; the color of square indicates the median speed.
  • More Information