Bombardier CITYFLO signalling solutions for mass transit

Urban growth, combined with the political and social imperative of environmental action, has presented renewed opportunities and challenges for those involved in mass transit operations. Significant technological advances in the area of automatic train control (ATC) are facilitating advances in system performance, allowing more frequent services
and increased flexibility at reduced cost and without compromising safety.

Modern ATC systems can improve cost-effectiveness by minimising the need for wayside signalling equipment and, in many instances, the need for driver intervention. This is applicable for both traditional fixed block systems and
communications-based traffic control (CBTC).

ATC has continued to evolve towards reduced human intervention in the control of train traffic by providing varying levels of automated functionality for the following:

• Automatic train protection (ATP), which controls vital, safety-critical functions
• Automatic train operation (ATO), which controls the actual train driving functions
• Automatic train supervision (ATS), including routing, schedule adherence and fault monitoring functions

BOMBARDIER  CITYFLO  solutions cover the full range of ATC technology and operating modes, whilst providing
the highest safety standards and cost-effective service to our customers:

CITYFLO 150

Suitable for tram-based systems, where manual train operation is typical, the driver operates the train/tram using lineside signals with the option on segregated sections to use a simple ATP system to safeguard train operation.

CITYFLO 250
Designed primarily for light rapid transit (LRT) and metro applications, cab signalling utilises onboard ATP with signal
aspects displayed in the driver’s cab and provides track-to-train communication via balises.

CITYFLO 350, CITYFLO 450 or CITYFLO 650

Semi-automatic train operation (STO) with onboard ATP and automatic driving, where limited action is required from
the driver, such as opening and closing doors.

CITYFLO 550 or CITYFLO 650

Widely used for metro, automated rapid transit, automatic people movers and regional commuter operations, CITYFLO 550 and CITYFLO 650 offer driverless train operation (DTO) and unattended train operation (UTO).

CITYFLO pdf

Source : Bombardier

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