Siemens ATP for Trillium Line South Extension

Written by William C. Vantuono, Editor-in-Chief
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Trillium Line Alstom Coradia LINT DMU. Photo: Trevor Pritchard/CBC

SNC Lavalin wholly owned subsidiary TransitNEXT has selected Siemens Mobility to provide the signaling and train control system for Ottawa’s 10-mile, eight-station Trillium Line South Extension project. The contract also includes updating the existing Trillium Line’s signaling system and installing ATP (Automatic Train Protection) technology on the entire network. ATP “will be increasingly important, given the higher ridership levels expected with the Trillium Line’s new South Extension and the connection to Ottawa’s Macdonald-Cartier International Airport,” Siemens noted. The project is expected to be completed in 2022.

Siemens Mobility will provide engineering, design, integration support, testing and commissioning of ATP on existing Alstom Coradia LINT and on-order Stadler FLIRT) Trillium Line DMU (diesel multiple-unit) trainsets, tracks and stations, as well as wayside signals and switch machines. TransitNEXT is the prime contractor for the DBFM (design-build-finance-maintain) Trillium Line South Extension project, which includes a 2.5-mile extension to provide rail access to the airport and expected to help reduce heavy motor vehicle traffic along Ottawa’s Airport Parkway.

The Trillium Line (O-Train Line 2) is one of two rail lines operated by OC Transpo, the City of Ottawa’s public transportation agency servicing the greater Ottawa area. The other is the recently opened, high-capacity, semi-automated Confederation Line (O-Train Line 1), for which extensions are also under way, and for which Siemens provided the electric traction power system.

OC Transpo full buildout of the Trillium (green) and Confederation (red) rail transit lines.

 “Having prime responsibility to ensure that this project is completed successfully and on time, we needed to have the right partners,” said Robert Alger, President, Infrastructure Projects at SNC-Lavalin. “Siemens Mobility is not only proven as an innovative technology provider, it is a company with a solid track record in completing complex projects regardless of challenges and climates.”

“The Trillium extension will provide greater access to Ottawa South and to Ottawa’s travelers, including the more than five million passengers that utilize the airport per year,” said Yves Desjardins-Siciliano, CEO of Siemens Mobility in Canada. “Our technology will help optimize the operations on this new line and provide an enhanced passenger experience that will feature greater reliability and availability, given the new airport service.”

Siemens Mobility noted that the company “has been [supplying] the Canadian transportation industry for more than 40 years, including light rail vehicles in Edmonton and Calgary, trainsets that will be delivered to VIA Rail starting in 2021, and the electrification of the light rail systems in Kitchener-Waterloo and Ottawa.”

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