Signaling and Train Control

Services

• Conceptual, typical, preliminary, and final hardware and software design
• Checking of third-party designs
• System and equipment specification writing and estimating
• Factory test and field test assistance, training, and instruction
• Construction Inspection and Contruction Management
• Systems Integration.

Our demonstrated signaling and automatic train control capabilities provide:

Signal and Train Control Operations Analyses Using our Powerful RAILSIM^® Capability or Rail Traffic Controller

• Signal capacity analysis
• Resolution of train dispatching conflicts for future transit or freight connections
• Need for advanced signaling applications to sustain or upgrade throughput.

Expertise and Tools for Vital Microprocessor Applications

• Controlled and automatic interlockings
• Intermediate signaling and automatic train control
• Highway crossing applications using the unique VISSIM^® simulation tool
• Quiet zones and four-quad gate solutions interfaced with intelligent transportation systems.

Expertise in the Entire Breadth of Track Circuit Applications

• Direct current and coded DC
• Single and double rail AC
• Phase selective
• Single- and dual-frequency power rate coded, up to nine aspects
• Single- and dual-carrier audio frequency analog coded, up to 12 aspects
• Audio overlay
• Digital.

Expertise in All Levels of Signal and Automatic Train Control

• TCS, CTC, and ABS
• Continuous and intermittent cab signaling, with and without train stop
• Continuous and intermittent train control, both manned and unmanned
• Positive train control for railroads and commuter lines using ACSES, ASES, and ITCS
• Vehicle and wayside centric communications-based train control.

Expertise in Supervisory Control

• Centralized automatic train control with integrated and non-integrated SCADA
• Computer-aided dispatching.

Expertise in Signaling Adjuncts

• Aspect charts and control lines
• Automatic vehicle identification
• EMI mitigation, bonding, current return, grounding, and corrosion control.

Expertise in the Entire Breadth of Signaling Equipment

• Electric and pneumatic switch machines
• Color light, color position light, and position light signals with incandescent and LED technology
• Position detection, equipment malfunction detection, and monitoring.

GFT&RS Design Tools are Powerful for Design/Build Project System Delivery and Allow:

• Expert "up front" evaluation to lower overall costs
• Goal setting, supplier proposal evaluation, and early equipment purchasing.

Featured Projects:

• Advanced Civil Speed Enforcement System, National Railroad Passenger Corporation (Amtrak)
• Broad Street Subway Signal System Upgrade, Southeastern Pennsylvania Transportation Authority
• Design of Signals and Communications, San Francisco Municipal Railway
• Frankford Transportation Center Construction Support, Southeastern Pennsylvania Transportation Authority
• General Engineering Consultant Code Charts Segment I and II, National Railroad Passenger Corporation (Amtrak)
• Green Line Signal Renewal Project, Massachusetts Bay Transportation Authority
• Media-Sharon Hill Priority Trolley Signal System, Southeastern Pennsylvania Transportation Authority
• North Shore Connector Project Signal and Train Control Design, Port Authority of Allegheny County
• Positive Train Control Implementation, Southeastern Pennsylvania Transportation Authority
• Wayne Junction To Glenside Systems Improvement Project, Southeastern Pennsylvania Transportation Authority
• West Coast Rail Modernization Train Protection and Warning System, WS Atkins Rail Ltd.

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