The MAX Blue Line is a light rail service in Portland, Oregon, United States, operated by TriMet as part of the MAX Light Rail system. It travels east–west for approximately 33 miles (53 km)—the longest in the network—between Hillsboro, Beaverton, Portland, and Gresham and serves 48 stations from Hatfield Government Center to Cleveland Avenue. The line carried an average 55,370 riders each day on weekdays in September 2018, the busiest of the five MAX lines. It runs for 221⁄2 hours per day from Monday to Thursday, with headways of between 30 minutes off-peak and five minutes during rush hour. Service runs later in the evening on Fridays and Saturdays and ends earlier on Sundays.