|PHX Sky Train|
PHX Sky Train
|Locale||Phoenix Sky Harbor International Airport, Phoenix, Arizona|
|Termini||44th Street/Washington station|
Terminal 3 (2014)
Rental Car Center (2022)
|Stations||4 (December 8, 2014)|
|Opened||April 8, 2013 (Phase 1)|
December 8, 2014 (Phase 1A)
|Owner||City of Phoenix Aviation Department|
|Rolling stock||18 Bombardier Innovia APM 200 vehicles|
|Line length||2.4 miles (3.9 km)|
|Highest elevation||100 feet (30 m)|
The PHX Sky Train is an electric people mover at Phoenix Sky Harbor International Airport in Phoenix, Arizona. The first segment opened to the public on April 8, 2013. The second segment, extending the train to Terminal 3, opened on December 8, 2014.  The 24/7 service operates free of charge, with trains running every 3-5 minutes.
The PHX Sky Train is gradually replacing shuttle buses. Inter-terminal shuttle bus service was discontinued on January 15, 2015. Rental car shuttle buses remain in service, but are planned to be eliminated when the final PHX Sky Train segment extends the people mover to the Rental Car Center in 2022.
The PHX Sky Train features a 100-foot-tall (30 m) bridge over Taxiway R, one of three taxiways which connects the north and south runways. This is the first transit bridge in the world to be built over an active taxiway. The bridge is tall enough to allow for Boeing 747 and Airbus A380 aircraft to pass under.
Phase 1 consists of a 1.7 miles (2.7 km) segment  constructed between December 2008 and April 2013. It links Terminal 4, the East Economy Parking lot, and the 44th Street/Washington station of the Valley Metro Rail. The guideway runs in a new underpass (below the Union Pacific railroad), past the jet-fuel tank farm, and alongside 44th Street. At an estimated cost of $1.58 billion, phase 1 opened April 8, 2013.
Phase 1a, which opened December 8, 2014, extended the train from Terminal 4 to Terminal 3. A 0.25-mile (0.40 km) covered walkway connected the Terminal 3 station with Terminal 2 until Terminal 2 closed in February 2020.
Phase 2, which is under construction as of mid-2020 with a planned completion date of 2022, will extend the Sky Train west from Terminal 3 to the Rental Car Center. Funding was approved in October 2016 and the extension is projected to cost $700 million. Phase 2 is be fully funded by airline and rental car passenger fees. The 2.5 miles (4.0 km) extension will pass in two cuts underneath future taxiways and Interstate 10.
Phase 2 includes provisions for infill stations to be constructed for a future "West Terminal" (on the site of the West Economy Parking lots) as well as a new ground transportation center to be built just east of 24th Street. Both the new terminal and new ground transportation center are unfunded and included in the airport's 20-year Comprehensive Asset Management Plan.
At 44th Street station, domestic passengers can check baggage for flights operated American Airlines, Southwest Airlines, and United Airlines. Bags must be checked at least 90 minutes prior to the flight's departure time. Once checked, the baggage is delivered in locked containers to the internal baggage-handling systems at Terminal 4. Delivery of the baggage is via secured shuttle-trucks that run approximately every eight minutes.
Select airlines also offer kiosks to print boarding passes at the 44th Street/Washington and East Economoy Parking stations.
Three months after opening, the PHX Sky Train carried about 70,000 people per week, over 40% higher than the design estimates of about 48,000. The busiest days are Thursday and Friday. The busiest times are 5am-8am and noon-3pm In March, 2016, average daily ridership was 15,940.
Cumulative ridership hit 1 million in 2013 and hit 10 million in 2015.
Rolling stock consists of 18 Bombardier Innovia APM 200 vehicles. Trains generally operating as six 3-car trainsets, although 2-car trainsets are in use during off-peak times. With the opening of Phase 2, Bombardier will deliver 24 additional vehicles.
The system is designed to carry 3,300 passengers per hour per direction. The average speed of the trains was forecasted to be 23 miles per hour (37 km/h), with trainsets capable of reaching 38 miles per hour (61 km/h), making the journey time from the 44th Street to Terminal 4 five minutes, plus an additional two minutes to reach Terminal 3.
Different views of the PHX Sky Train and terminal.
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- The Arizona Republic, July 14, 2013, page B5, "Officials: PHX Sky Train may top use estimates
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- "Bombardier Wins Contract to Extend People Mover System in Phoenix" (Press release). Berlin: Bombardier Inc. Bombardier Transportation. March 22, 2018. Retrieved April 6, 2020.
- http://www.bombardier.com/en/transportation/media-centre/press-releases/details?docID=0901260d802af38c[dead link]
- PHX Sky Train, Sky Harbor International Airport, Phoenix