Automatic Train Control: An Overview of Available Systems
ByAn automatic train control (ATC) system integrates all the vital and non-vital functions that guarantee the safe operation of trains. It comprises three sub-systems, which include onboard and wayside equipment:
- Automatic Train Supervision (ATS)
- Automatic Train Operation (ATO)
- Automatic Train Protection (ATP)
These sub-systems, together with a full interlocking system, perform the following functions:
- Signalling
- Automatic train protection
- Traffic management
Automatic train control also includes automatic train operation functions.