The Metropolitan Area Express (MAX) is a light rail system serving the Portland metropolitan area in the U.S. state of Oregon. Owned and operated by TriMet, it consists of five lines connecting the six sections of Portland; the communities of Beaverton, Clackamas, Gresham, Hillsboro, Milwaukie, and Oak Grove; and Portland International Airport to Portland City Center. Trains run seven days a week with headways of between 30 minutes off-peak and three minutes during rush hours. In 2019, MAX had an average daily ridership of 120,900, or 38.8 million annually. Due to the COVID-19 pandemic, which impacted public transit use globally, annual ridership plummeted, with only 14.8 million riders recorded in 2021.
The MAX Blue Line is a light rail line serving the Portland metropolitan area in the U.S. state of Oregon. Operated by TriMet as part of the MAX Light Rail system, it connects Hillsboro, Beaverton, Portland, and Gresham. The Blue Line is the longest in the network; it travels approximately 33 miles (53 km) and serves 48 stations from Hatfield Government Center to Cleveland Avenue. It is the busiest of the five MAX lines, having carried an average 55,370 riders each day on weekdays in September 2018. Service 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. It runs later in the evening on Fridays and Saturdays and ends earlier on Sundays.
The MAX Red Line is a light rail line serving the Portland metropolitan area in the U.S. state of Oregon. Operated by TriMet as part of the MAX Light Rail system, it is an airport rail link connecting Beaverton, Portland City Center, and Northeast Portland to Portland International Airport. The Red Line serves 27 stations; it interlines with the Blue Line and partially with the Green Line from Beaverton Transit Center to Gateway/Northeast 99th Avenue Transit Center and then branches off to Portland Airport station. Service runs for 22 hours per day with headways of up to 15 minutes. The Red Line carried an average 10,310 passengers per weekday in September 2021, the second-busiest after the Blue Line.
The MAX Yellow Line is a light rail line serving Portland, Oregon, United States. Operated by TriMet as part of the MAX Light Rail system, it connects North Portland, Portland City Center, and Portland State University (PSU). The line serves 17 stations; it runs north–south from Expo Center station to PSU South/Southwest 6th and College station, interlining with the Green and Orange lines within the Portland Transit Mall. Service runs for 21 hours per day with headways of up to 15 minutes. The Yellow Line is the fourth-busiest service in the MAX system; it carried an average 12,960 riders per weekday in September 2019.
Hollywood/Northeast 42nd Avenue Transit Center, also known as Hollywood Transit Center, is a light rail station in the MAX Light Rail system and a bus transit center, located in the Hollywood District of Portland, Oregon. Hollywood/NE 42nd Ave is the 11th stop eastbound on the eastside MAX main line, and is served by the Blue, Green and Red Lines. The transit center's bus area, served by three routes, is temporarily closed for construction.
Lloyd Center/Northeast 11th Avenue is a light rail station on the MAX Blue, Green and Red Lines in Portland, Oregon. It is the 10th stop eastbound on the Eastside MAX. The station is located on the 1200 block of Northeast Holladay Street in Lloyd District.
Rose Quarter Transit Center is a light rail station in the MAX system and a TriMet bus transit center, and is located in the Rose Quarter area of Portland, Oregon, a part of the Lloyd District. It is served by the Blue, Green and Red Lines. It is currently the 7th stop eastbound on the Eastside MAX as well as the first stop after crossing the Willamette River on the Steel Bridge. Two hundred yards west of the station is the Interstate/Rose Quarter station on the MAX Yellow Line.
The Skidmore Fountain station is a light rail station on the MAX Blue and Red Lines in Portland, Oregon. It is currently the fifth stop eastbound on the Eastside MAX. It was previously also served by the Yellow Line, from 2004 to 2009, until that line's relocation to the Portland Transit Mall.
Goose Hollow/Southwest Jefferson Street is a light rail station on the MAX Blue and Red Lines in the Goose Hollow neighborhood of Portland, Oregon. It is the third stop westbound on the Westside MAX alignment and makes several cameo appearances in the movie What the Bleep Do We Know!? as the stop where Marlee Matlin's character boards the train to get into town.
Library/Southwest 9th Avenue and Galleria/Southwest 10th Avenue are light rail stops on the MAX Blue and Red Lines in Portland, Oregon. It was the original western terminus and is now the Eastside MAX line's first stop eastbound/last stop westbound in downtown.
Pioneer Square South and Pioneer Square North are a pair of light rail stations in Portland, Oregon, United States, served by TriMet as part of the MAX Light Rail system. Situated directly west of the Portland Transit Mall at Pioneer Courthouse Square in downtown Portland, they occupy the sidewalk on Yamhill and Morrison streets between Broadway and 6th Avenue. The stations consist of one side platform each; trains traveling eastbound stop at Pioneer Square South while trains traveling westbound stop at Pioneer Square North.
Beaverton Transit Center is a multimodal transport hub in Beaverton, Oregon, United States. Owned and operated by TriMet, it is served by bus, commuter rail, and light rail. The transit center is MAX Light Rail's 15th station eastbound on the Blue Line and western terminus on the Red Line. It is also the northern terminus of WES Commuter Rail and a hub for bus routes mostly serving the westside communities of the Portland metropolitan area. Beaverton Transit Center is situated on Southwest Lombard Avenue, just north of Southwest Canyon Road in central Beaverton, connected by walkway to Canyon Place Shopping Center. It recorded 9,709 average weekday boardings for all modes in fall 2018, making it TriMet's busiest transit center.
Parkrose/Sumner Transit Center is a TriMet transit center and light rail station on the MAX Red Line in Portland, Oregon. It is the fourth stop north on the Airport MAX branch, and consists of an island platform in the median of Interstate 205. The entrance and exit to the transit center are on Sandy Blvd. near 95th Avenue, in the Parkrose neighborhood and east of the Sumner neighborhood.
Portland Airport is a light rail station in Portland, Oregon, United States, served by TriMet as part of the MAX Light Rail system. Situated at Portland International Airport, it is the eastern terminus of the Red Line, which connects the airport, downtown Portland, and Beaverton. The station is located at the ground floor of the airport's main passenger terminal near the southern end of the arrivals hall and baggage claim area.
Interstate/Rose Quarter station is a light rail station on the MAX Yellow Line in Portland, Oregon. It is the first stop northbound on the Interstate MAX extension. About 200 yards away is the Rose Quarter Transit Center's MAX station, where transfers to the eastbound MAX Blue and Red lines and the southbound Green Line are possible. Several bus lines also serve the transit center, making stops in the area between the two MAX stations.
The MAX Green Line is a light rail service in Portland, Oregon, United States, operated by TriMet as part of the MAX Light Rail system. It is 15 miles (24.1 km) long and serves 30 stations from the PSU South stations to Clackamas Town Center Transit Center; it connects Portland State University (PSU), Portland City Center, Northeast Portland, Southeast Portland, and Clackamas. The Green Line is the only service that shares parts of its route with the four other MAX services, sharing the Portland Transit Mall with the Orange and Yellow lines and the Banfield segment of the Eastside MAX with the Blue and Red lines. Southbound from Gateway/Northeast 99th Avenue Transit Center, it operates the Interstate 205 (I-205) segment through to Clackamas Town Center. Service runs for approximately 211⁄2 hours daily with a headway of 15 minutes during most of the day. It is the third-busiest line in the system, carrying an average of 19,160 riders per day on weekdays in September 2019.
The I-205 busway was a partially built busway along the right-of-way of the Interstate 205 freeway in Portland, Oregon. Although it never opened as a busway, its right-of-way has been in use by light rail lines partially since 2001 and fully since 2009.
Union Station/Northwest 6th & Hoyt and Union Station/Northwest 5th & Glisan are light rail stations on the MAX Green, Orange and Yellow Lines in Portland, Oregon. They are the first stops southbound on the Portland Transit Mall MAX extension. The Union Station/Northwest 6th & Hoyt Street station is served only by the Green and Yellow Lines, and the Union Station/Northwest 5th & Glisan Street station is served only by the Green and Orange Lines. Originally, from the opening of these stations in 2009 until 2015, the Yellow Line served both, but in September 2015 the then-new Orange Line replaced the Yellow Line at all southbound stations on the transit mall.
South Waterfront/South Moody, formerly South Waterfront/Southwest Moody, is a combined light rail and bus station located at 698 Southwest Porter Street in the South Waterfront neighborhood of Portland, Oregon, at the west end of the Tilikum Crossing bridge. It is serviced by the MAX Orange Line and TriMet buses. Portland Streetcar travels through it but does not service it.
Gateway North 
TriMet: 15, 19, 22, 23, 24, 25, 87 
