designates the Red Line as a "Frequent Service" route; its trains operate for approximately 22 hours per day with headways ranging from 30 minutes during the early mornings and late evenings to as frequently as 15 minutes for most of the day. Each day, the first train begins service at approximately 3:30 am going eastbound from Beaverton Transit Center to Portland International Airport station. Travel between the termini takes approximately 65 minutes and the first westbound service departs Portland International Airport station at approximately 4:55 am. In the evenings, select westbound trains travel beyond the line's terminus at Beaverton Transit Center to Hatfield Government Center station in Hillsboro; these trains operate as through services of the Blue Line upon arriving at Gateway/Northeast 99th Avenue Transit Center. The Red Line's last three trips turn into eastbound Blue Line trains at Gateway Transit Center and terminate at Ruby Junction/East 197th Avenue station. The last westbound service departs from Portland International Airport station at approximately 12:30 am and the last Red Line service, which travels eastbound, departs from Portland International Airport station at approximately 1:40 am. On September 2, 2018, TriMet reintroduced bus service to the airport, which had been replaced by the Red Line in 2001, with the 272–PDX Night Bus. The bus route ran in the late night and early morning hours when the Red Line was not operating. It was indefinitely suspended on April 5, 2020, amid the COVID-19 pandemic. Ridership The Red Line averaged 10,310 riders on weekdays in September 2021. Prior to the COVID-19 pandemic, which impacted public transit ridership globally, the Red Line was the second-busiest service on the MAX network, having averaged 22,530 weekday riders in September 2019. In September 2002, it averaged 2,800 daily riders at the airport, ahead of TriMet's first-year projections of 2,300. The line's extension to Beaverton Transit Center in 2003 increased weekday ridership by 49 percent along the westside corridor and six percent systemwide. IKEA's opening in July 2007 helped to attract more riders to Cascade Station, which had been considered a failed planned development amid the economic recession that followed the September 11 attacks. In 2008, Cascades station recorded an eight-fold increase in traffic, from 250 passengers per week to 2,000; this number increased to 6,000 by 2010. The Red Line's yearly ridership peaked at just over nine million passengers in 2009; it has continued to fall as part of