Why is This Important?

Assesses the vehicle congestion that Arapahoe County residents and corridor users will encounter during their afternoon peak-period commutes. Efficient travel is important for quality of life and fostering a safe and vibrant County.

What Does It Mean?

Traffic volumes in 2025 have continued to increase from the significant decrease during the pandemic.  The Travel Time Index is still performing well below the 2019 levels and can be partially be attributed to the change of travel behavior.  There were notable changes in travel time on specific routes within the road network.

Definition

Travel Time Delay is the ratio of peak-period travel time to free-flow travel time for the afternoon peak period (5:00 PM – 6:00 PM) for critical corridors in Arapahoe County, excluding I-25, I-225, and I-70.