Safety means for rail/road crossing traffic

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC

B61L29/00Safety means for rail/road crossing traffic

B61L29/02Guards or obstacles for preventing access to the route B61L29/023Special gates B61L29/026Preventing access by means of obstacles raising across the route B61L29/04Gates for level crossings B61L29/06yielding to vehicles in one direction but operated in a different direction B61L29/08Operation of gates Combined operation of gates and signals B61L29/10Means for securing gates in their desired position B61L29/12Manual operation B61L29/14mechanically B61L29/16electrically B61L29/18Operation by approaching rail vehicle or rail vehicle train B61L29/20mechanically B61L29/22electrically B61L29/222using conductor circuits with separate contacts or conductors B61L29/224using rail contacts B61L29/226using track-circuits, closed or short-circuited by train or using isolated rail-sections B61L29/228using optical means B61L29/24Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching B61L29/243Transmission mechanism or acoustical signals for gates B61L29/246Signals or brake- or lighting devices mounted on the road vehicle and controlled from the vehicle train B61L29/26mechanically operated B61L29/28electrically operated B61L29/282magnetic or inductive control by the vehicle B61L29/284using rail-contacts, rail microphones, or the like, controlled by the vehicle B61L29/286using conductor circuits controlled by the vehicle B61L29/288Wiring diagram of the signal control circuits B61L29/30Supervision B61L29/32Timing