''CITYFLO'' 650

signalling In signal processing, a signal is a function that conveys information about a phenomenon. Any quantity that can vary over space or time can be used as a signal to share messages between observers. The ''IEEE Transactions on Signal Processing'' ...

is a

CBTC Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accurat ...

system designed by

Bombardier Transportation Bombardier Transportation was a Canadian-German rolling stock and rail transport manufacturer, headquartered in Berlin, Germany. It was one of the world's largest companies in the rail vehicle and equipment manufacturing and servicing industry ...

. It makes use of bi-directional

radio communication Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...

between

trains In rail transport, a train (from Old French , from Latin , "to pull, to draw") is a series of connected vehicles that run along a railway track and transport people or freight. Trains are typically pulled or pushed by locomotives (often know ...

and wayside equipment, as well as true

moving block In railway signalling, a moving block is a signalling block system where the blocks are defined in real time by computers as safe zones around each train. This requires both knowledge of the exact location and speed of all trains at any given ti ...

technology, to control train operation. Trains report their position via radio, and a wayside

signalling system In signal processing, a signal is a function that conveys information about a phenomenon. Any quantity that can vary over space or time can be used as a signal to share messages between observers. The ''IEEE Transactions on Signal Processing'' ...

provides movement authorities to the trains via a radio link.

Transit lines using the system

Transit lines using the Cityflo 650 system as of February 26, 2014 include the following:

In revenue service

* Seattle Tacoma Int'l Airport, SeaTac, USA * Sacramento Int'l Airport, Sacramento, USA * San Francisco Int'l Airport, San Francisco, USA * McCarran Int'l Airport, Las Vegas, NV, USA * Phoenix Int'l Airport, Phoenix, USA * Dallas/Fort Worth Int'l Airport, Dallas, USA *

SEPTA Subway-Surface Trolley Lines The Southeastern Pennsylvania Transportation Authority (SEPTA) is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly 4 million people in five coun ...

, USA * Heathrow Int'l Airport, UK * Gatwick Int'l Airport, UK * Line 1 and Line 6,

Madrid Metro The Madrid Metro (Spanish: ''Metro de Madrid'') is a rapid transit system serving the city of Madrid, capital of Spain. The system is the 14th longest rapid transit system in the world, with a total length of 293 km (182 mi). Its gro ...

, Spain * Yong-In ART, South Korea *

Wenhu Line The Wenhu or Brown line (code BR) is a metro line in Taipei operated by Taipei Metro, named after the districts it connects: Wenshan and Neihu. It is an automated medium-capacity rubber-tyred metro line and is long, serving a total of 24 st ...

, Taipei, Taiwan *

Line 3, Shenzhen Metro Shenzhen Metro Line 3 (formerly branded as Longgang line), runs northeastward from to . Line 3 opened on 28 December 2010. Line 3's color is . Since opening, it has been heavily trafficked and became a major transport option for urban workers. ...

, China *

APM Line Zhujiang New Town Automated People Mover System (), or APM line, is an automated people mover (APM) system mainly serving the Zhujiang New Town area in Guangzhou, the new CBD of the city. All of its stations are underground. In terms of const ...

Guangzhou Metro The Guangzhou Metro () ( and ) is the rapid transit system of the city of Guangzhou in Guangdong Province of China. It is operated by the state-owned Guangzhou Metro Corporation and was the fourth metro system to be built in mainland China, af ...

, China * Line 2 and Line 3,

Tianjin Metro The Tianjin Metro or Tianjin Rail Transit is the rapid transit system in the city of Tianjin, which was the second city in mainland China after Beijing to operate a subway system (the Beijing Subway opened in 1971). Opened in 1984, the syste ...

, China * Purple Line, Thailand * Klang Valley MRT, Malaysia * Line 5 and Line 15,

São Paulo Metro The São Paulo Metro ( pt, Metrô de São Paulo, ), commonly called the ''Metrô'' () is one of the urban railways that serves the city of São Paulo, alongside the São Paulo Metropolitan Trains Company (CPTM), forming the largest metropolit ...

, Brazil * Üsküdar-Ümraniye-Çekmeköy Line, Turkey * Bangkok Gold Line feeder system, Thailand *

Munich Airport Munich International Airport- Franz Josef Strauß (german: link=no, Flughafen München) is an international airport serving Munich and Upper Bavaria. It is the second-busiest airport in Germany in terms of passenger traffic after Frankfurt A ...

, Germany

Under construction

* BTS Yellow Line Monorail (EBM), Thailand * BTS Pink Line Monorail (NBM), Thailand * Dubai Int'l Airport, United Arab Emirates * King Abdulaziz Int'l Airport, Jeddah, Saudi Arabia *

King Abdullah Financial District The King Abdullah Financial District (KAFD) is a mixed-use financial district located near King Fahad Road in the Al Aqeeq area of Riyadh, Saudi Arabia Managed by the King Abdullah Financial District Development and Management Company (KAFD DMC), ...

Monorail, Riyadh, Saudi Arabia *

Metro Tunnel The Metro Tunnel (previously known during planning as the Melbourne Metro Rail Project) is a metropolitan rail infrastructure project currently under construction in Melbourne, Australia. It includes the construction of twin 9-kilometre rail tun ...

(Sunbury Dandenong Line) - Melbourne, Australia *

MRTA Pink Line The MRT Pink Line is an elevated mass rapid transit monorail train line under construction in Bangkok and Nonthaburi Province, Thailand. The monorail line will be long and have 30 stations. It will run in the northern part of the city from the ...

and Yellow Line, Thailand * Line 7,

Delhi Metro The Delhi Metro is a mass rapid transit (MRT) system serving Delhi and its satellite cities of Ghaziabad, Faridabad, Gurgaon, Noida, Bahadurgarh and Ballabhgarh, in the National Capital Region of India. The network consists of 10 colour-cod ...

, India *

Sungai Buloh–Serdang–Putrajaya MRT line The MRT Putrajaya Line is the second Mass Rapid Transit (MRT) line in Klang Valley, Malaysia, and the third fully automated and driverless rail system in region. The line stretches from to Putrajaya and runs through densely populated area ...

, Malaysia *

Line 5 Eglinton Line 5 Eglinton (also known as the Eglinton Crosstown or the Crosstown) is a light rail line that is under construction in Toronto, Ontario, Canada. Owned by Metrolinx and operated by the Toronto Transit Commission (TTC), the line will be part ...

, Toronto, Canada * Bukit Panjang LRT, Singapore

Test tracks

These dedicated lines are used to test compatible rolling stock: * Pittsburgh Test Track, USA * Kingston Test Track, Canada

References

Train protection systems Vehicle telematics {{Rail-transport-stub