Public engineering firm profile
Jacksonville, FL
Keeping the Trains Moving and Our Citizens Safe
Established in 1997, Interrail Engineering Inc provides comprehensive railway signal design, engineering, installation, and maintenance. Operating as a family of specialized practices, it serves Class I and short line railroads across the United States. Its capabilities span preliminary engineering, application programming, construction assistance, field testing, and custom power systems manufacturing, delivering turn-key safety and communication solutions.
Comprehensive signaling and communications design services tailored to railroad infrastructure, ensuring compliance with strict safety standards.
Turn-key physical signal system installation, route construction, and grade crossing infrastructure development.
End-to-end oversight of signaling projects, from materials procurement and management through to deployment.
Quality assurance testing to verify signaling configurations and application software safety.
AC power management, power supply acquisition, and sizing calculations for transit and rail utility services.
Production and distribution of specialized railroad power devices, enclosures, and safety accessories.
Ongoing support for rail infrastructure to ensure operational continuity and safety.
Norfolk Southern Railroad | Rail
Installed over 2500 miles of positive train control (PTC), including 3000 PTC radio towers and in-service test inspections. Designed, programmed, and tested over 1000 Federal grade crossing warning systems, Quiet Zones, and advanced preemption, as well as provided design, programming, and simulation for 600 track miles of PTC.
View project sourceNorth Villa Rica | Rail
Provided verification and validation of Vital Railroad Signal Application Software for E-ATC/PTC and grade crossing warning approaches via fiber network.
View project sourceAAF/Brightline/Virgin Rail | Rail
Provided vital software programming for Alstom's version of PTC, E-ATC, and grade crossing warning approaches via fiber networking in a high-speed envelope.
View project sourceAAF/Brightline/Virgin Rail | Rail
Performed design review for 86 high-speed envelope grade crossing warning systems from Cocoa Beach to Fort Pierce. This included four quad gates with island detection medians and channelization per FRA, AREMA, FDOT, and MUTCD requirements.
View project sourceCSXT | Rail
Supplied over 1000 track miles of PTC signal design engineering, including project management, preliminary engineering, high-rail site surveys, vital hardware and software engineering, PTC obsolescence, implementation, and back-office integration with the CXT Dispatch Center.
View project sourceFlorida East Coast Railway | Rail
Designed and installed traffic control and cab signals serving Port Everglades, and designed traffic control and cab signals with power-operated switches at four control points to increase capacity for the Port of Miami.
View project sourceNashville and Eastern | Rail
Designed and installed 40 miles of traffic control signals for the Nashville commuter line, including four control points, 30 crossings, and 10 automatic signals.
View project sourceEvansville and Western Railroad | Rail
Designed and installed 75 miles of train control from Mount Vernon, IN to Mount Vernon, IL, including 29 control points, two railroad crossings, ten automatic signals, and ten highway crossings.
View project sourcePaducah and Louisville Railway | Rail
Designed and installed traffic control signals over the locks of Kentucky Dam in Grand Rivers, KY, including three control points, two automatic signals, one river lock, and one crossover.
View project sourceCEO
Executive Vice President
Vice President of Field Operations
Vice President of Engineering
Finance Director / HR
AVP of Field Operations