MAX Red Line

MAX Red Line
MAX Red Line
	A Red Line train at Portland International Airport
Overview
Other name(s)	Airport MAX
Owner	TriMet
Locale	Portland, Oregon, U.S.
Termini	Beaverton Transit Center (west); Portland Airport (east);
Stations	27
Website	MAX Red Line
Service
Type	Light rail
System	MAX Light Rail
Operator(s)	TriMet
Daily ridership	10,310 (Weekday, September 2021)
History
Opened	September 10, 2001
Technical
Line length	5.5 mi (8.9 km)
Number of tracks	1–2
Character	At-grade, elevated, and underground
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Electrification	Overhead line, 750 V DC
Route diagram
	Legend
Hillsboro extension (2024)
Hillsboro extension (2024)
	US 26
	Sunset Highway
	I-205
	northbound
	I-205
	southbound
	This diagram: view; talk; edit;

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.

Plans for light rail service to Portland International Airport surfaced in the 1980s, and efforts were accelerated during the airport's expansion in the 1990s. The Airport MAX project was conceived from an unsolicited proposal by Bechtel in 1997, and it was designed and built under a public–private partnership between a consortium of Bechtel and Trammell Crow, the Port of Portland, and local governments. Construction of the four-station, 5.5-mile (8.9 km) branch line began in 1999 and was completed in under two years due to the use of local and private financing and existing public right-of-way.

The Red Line began operating between the airport and downtown Portland on September 10, 2001. It was extended west along existing MAX tracks to Beaverton Transit Center in 2003. Track improvements as part of the A Better Red project are scheduled for completion in 2024; this project adds a second track to single-track segments along the Airport MAX and extends Red Line service farther west to Fair Complex/Hillsboro Airport station in Hillsboro.

^ ^a ^b "Airport MAX Red Line" (PDF). TriMet. July 2016. Archived from the original (PDF) on August 28, 2018. Retrieved August 24, 2018.
^ "September 2021 Monthly Performance Report" (PDF). TriMet. Archived (PDF) from the original on December 28, 2021. Retrieved December 27, 2021.

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[max-red-line-factsheet-2016-1] "Airport MAX Red Line" (PDF). TriMet. July 2016. Archived from the original (PDF) on August 28, 2018. Retrieved August 24, 2018.

[sep-2021-report-2] "September 2021 Monthly Performance Report" (PDF). TriMet. Archived (PDF) from the original on December 28, 2021. Retrieved December 27, 2021.

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