Dortronics Systems Inc. has released its 4900 Series Intelligent Interlock System for controlling mantraps and other customized applications. The programmable logic controller (PLC)-based system is ...

Wabco has unveiled Intelligent Brake Interlock, saying its system improves the safety of tank trailers hauling hazardous materials or which are equipped with cryogenic equipment. Wabco made the ...

Alstom delivers Smartlock 400 signalling system to Maghagha station in Egypt. Credit: Alstom/ F. Carlino. The Alstom-delivered computer-based interlocking signalling system Smartlock 400 has started ...

Since 1993, laws in all 50 states put ignition interlock systems in the cars of some drunken driving offenders. If the device detects alcohol on a driver’s breath in excess of the legal limit, the ...

Researchers invent a new approach to assembling big structures — even airplanes and bridges — out of small interlocking composite components. MIT researchers have developed a lightweight structure ...

Instead of relying on relays to transmit signals to points, tracks, and signals, the new system directly interfaces with these components, eliminating a potential point of failure, says railway ...