Positive Train Control (PTC)

Providing real-time data that makes trains safer
Siemens Mobility’s Trainguard® Sentinel is a PTC solution that has been proven in industrial, and freight applications around the globe. It provides safe, efficient train control in signaled and unsignaled areas. Trainguard Sentinel can operate as an independent train control system or as an overlay on an existing signaling system. Digitalization of rail infrastructure offers new opportunities for flexibility, effectiveness, and efficiency in PTC applications. By leveraging available data and digital solutions, operators benefit from higher availability and increased levels of automation, safety, and sustainability.
Meeting your needs
Trainguard Sentinel is a highly scalable solution that can be tailored to meet your specific requirements. You’ll benefit from improved safety, enhanced efficiency, better service recovery, and greater reliability. In addition, maintenance becomes more predictable so you can plan for it well in advance. Because set-up, operation and expansion are affordable, Trainguard Sentinel is your answer for smooth, cost-effective operations.Benefits at a glance
Safe and reliable PTC operation
Trainguard Sentinel consists of a primary control module and cab display unit, with an option for a second display unit. Speed and location are determined by an on-board track database, a commercial GPS receiver, and axle tachometers. Trainguard Sentinel provides integrated head- and end-of-train operation. It also uses AAR interoperability standards to create open interfaces to data radios or other locomotive equipment.
Three scalable levels
Trainguard Sentinel is a best-in-class and cost-optimized train control solution. The system is scalable in size and scope, assuring the highest operator benefits with the lowest investment costs.