TNCs & CONGESTION

 
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FACTORS AFFECTING CHANGE IN CONGESTION

TNCs & Congestion in San Francisco

Use this map to explore changes in congestion metrics between 2010 and 2016. The tool provides the ability to look at the effects of four factors that affect congestion: changes in network capacity, changes in population, changes in employment, and changes in TNCs.
  • Vehicle Hours of Delay (VHD) is a measure of the overall amount of excess time vehicles spend in congestion.
  • Vehicle Miles Traveled (VMT) is a measure of the overall amount of motor vehicle travel, as measured in distance, that occurs on the network.
  • Speed is the average speed of vehicles on a given road segment during a given time period.

How to use this map

  • Select a congestion metric to display it on the map.
  • Explore the contributions of different factors to changes in congestion.
  • Choose a time period to display.
  • Click on a colored roadway segment on the map to see segment-specific information.