Modern Railway Systems provides turnkey services for management, design, engineering, construction, integration, and testing expertise for rail systems. MRS has completed or is currently involved in over $1B worth of rail systems projects for new systems construction and complex upgrades to existing systems on rail and transit systems in the US. MRS is committed to providing our customers with the safest, most innovative, and cost-effective systems available, and to implement these systems with minimal impacts to existing transit operations.