Block Signal System

block signal system

[′bläk ′sig·nəl ‚sis·təm]
(control systems)
An automatic railroad traffic control system in which the track is sectionalized into electrical circuits to detect the presence of trains, engines, or cars.

Block Signal System

 

a system of technical facilities used in railroad automation and remote control to regulate train traffic on sections of track and at intermediate stations.

References in periodicals archive ?
These block signal system changes would move the railroad industry into the 21st Century.
Where any train is operated at 60 mph or faster, a roadway block signal system and an automatic cab signal system with automatic train stop or automatic train control system shall be installed, also known as PTS.
Where any train is operated at a speed over 40 mph, a roadway block signal system shall be installed or a manual block system shall be placed permanently in effect.
30, 1991 would have been prevented with a roadway block signal system.