Multimodal mobility dashboard - Tri-Cities region


Region executive summary

This dashboard provides detailed multimodal mobility analyses of two urban highway corridors in the Tri-Cities region, which includes

  • US 395 between Interstate 82 and I-182
  • State Route 240 between Stevens Drive/Jadwin Avenue and I-182

The peak periods for both corridors in the Tri-Cities region are 6-8 a.m. and 3-6 p.m.

2024 Highlights
  • In 2024, the average daily person miles traveled increased by 4.0% from 2023 and surpassed pre-pandemic levels. Approximately 351 million person miles were traveled on the SR 240, I-182 and US 395 corridors in the Tri-Cities region in 2024, up from 337 million person miles in 2023.
  • Vehicle delay on the SR 240, I-182 and US 395 corridors in the region decreased 6.1% from 424,432 hours in 2023 to 398,592 hours in 2024


US395 & SR 240 map image

US 395 and SR 240

US 395 and SR 240 in the Tri-Cities region are key commute and economic corridors. Classified by WSDOT as T-1 freight corridors if facilitates over 10 million tons of freight on each corridor annually. US 395 between I-82 and I-182 includes a five-mile section in Kennewick with eight traffic signals as well as two smaller freeway segments. SR 240 between Stevens Drive/Jadwin Avenue and I-182 (known as the Bypass Highway) has traffic signals along its full length. For more information on US 395 and SR 240 multimodal mobility, click the green bar below.



US 395 & SR 240 map image

Multi-year trends

General purpose lane person miles traveled and vehicle delay:

  • There were 164.2 million person miles traveled in 2024 which was 13.7% higher than the 144.4 million in 2019
  • Vehicle delay in 2024 was 396,000 hours, which was 41.6% less than the 280,000 hours in 2019
  • Peak morning and evening commute times continued to increase in 2024 and surpassed 2019 commute times in some locations
  • Severe congestion levels continued to grow in 2024 and surpassed 2019 in most locations
  • Park and ride lot usage for six lots in 2024 averaged 7.8% compared to 38.3% in 2019

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