Railroad Signaling
Ascent Signal LLC has substantial capabilities in railroad signaling and communications design. This includes expertise in freight, passenger, and light rail. We work comfortably with clients with existing standards and those seeking new approaches. The following summarizes our capabilities:
Train Control System Design-
Positive Train Control, Centralized Traffic Control, Automatic Block Signaling
- Routes and aspect charts, operating rules and operational analysis
- Track layout, time table, and track chart creation
- Technology evaluation and equipment selection
- Power coordination and design
- PTC Mapping
- Vital Application Softward Development and Rack Testing
- Detailed signal plan creation: coded, AC power, audio frequency, and conventional track circuits; signal and switch control; bungalow and case layout; and power system design; traction power return and impedance bonds
- Plan creation and final plan check
Communications System Design (Fiber and Radio)
- Radio Path analysis
- Technology evaluation and equipment selection
- Bandwidth requirement evaluation
- Dispatching office design: dispatching system specification and design, audio communication controller specification and design, office layout design, and standby power design
Crossing System Design
- Technology evaluation and equipment selection
- Quiet Zone Design (4 Quad Gates, Medians)
- Detailed crossing plan creation: motion, constant warning, and conventional track circuits
- Frequency coordination, flasher and gate design, bungalow and case layout, traffic signal preemption, and loop detection system design at 4 quad gates
- Crossing geometric design (medians, pedestrian mazes, fencing, access closures)
Light Rail System Design
- Block Design
- Route and aspect charts
- Detailed signal plan creation
- Application Software and Rack Testing
- Wayside Fiber Network Plans
- Security and Life Safety systems design
- Traction Power and OCS design
- Substation ground grid design and calculations