a 6% deterioration on other routes in the same time. Sound Transit reports a +1% improvement in performance on I-405 routes, vs. The variability of travel times on I-5 remains twice that of I-405. Community Transit has not needed to make similar investments in the more reliable I-405 corridor. In 2015, Community Transit added $2.6m in schedule maintenance costs on I-5 (added service hours so buses could arrive at their scheduled times). Community Transit times have improved 7% northbound, and are more reliable in both directions. Metro travel times on I-405 have improved 15-29% in the PM peak, and 3-7% in AM peak. Transit Performance: The lanes also deliver faster and more reliable transit performance. Improved operations, a strategic retreat on night and weekend tolling, and toll-funded investments at the north end, have made the lanes more popular. Politically, they were less favored at first. #405 freeway express bus lane drivers#The lanes have been popular with drivers from the beginning. Pricing allows more people to travel with greater reliability and higher speeds than the congested GP lanes. Overall, the busiest parts of the corridor are now transporting 20% more vehicles, or 30% more people, than before. In some places, vehicle throughput in the tolled lanes is up to 30% greater than the regular lanes. At peak, each express lane carries more vehicles than each general-purpose lane. The loss of tolling revenues would also defer highway investments benefiting drivers.īy many measures, the lanes have been a success. As Peter Rogoff highlighted last week, an end to tolling would force a rethink of the Sound Transit BRT program that only makes sense if buses can move reliably in well-managed lanes. At stake is not only the improved efficiencies of the managed lanes. Having recently passed the two-year mark, the Legislature may consider next year whether they should continue. WSDOT’s express toll lanes on I-405 opened in September 2015. ST Express bus enters the ETL lane at Bellevue (Image by author)
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