Rail Signal Engineering


We work with private freight railroads and public commuter and transit agencies to provide services in rail signals design and communications. We have worked on projects including new capital expansion projects, emergency repair design work related to natural disasters, and Positive Train Control (PTC) upgrades for commuter and Class I freight railroads.

 Our Rail Signal Engineering services include:


  • Full-service wayside signal design including circuit plans, profiles, and construction overviews
  • Grade crossing design including multiple overlapping crossings and interfacing crossings with wayside equipment and traffic signals
  • Poleline replacement and interfacing to new equipment
  • Aspect Chart generation, complete with route sheets and lineups
  • Positive Train Control (PTC) including new and upgraded wayside circuit plans, PTC library creation, and PTC mapping


  • Systems design including signalling and train control and communications
  • Contract management
  • In-service testing