حمل و نقل زمینی - سیگنال های راه آهن و تعمیر و نگهداری

a system of signals and signs used to control train movements and ensure safety on the tracks

to signal with a swinging motion, resembling the motion of a flag

a small object placed beside a road or railway to mark a specific point or give information

an explosive device placed on railroad tracks, activated by passing trains to warn engineers of potential dangers ahead

a sign along a railway track that tells the train driver to blow the whistle

a sign or light beside a railway track that tells the train driver when to stop, go, or slow down

a visual signaling device that uses a moving arm to show train drivers if they should stop or proceed

a type of warning light mounted on the front of trains in North America, designed to rotate or oscillate to alert vehicles and pedestrians at crossings

a unique code on railway cars that identifies the owner or the operator of the car

a safety system on railways that detects the presence of a train on a section of track

the situation where a vehicle fails to stop at a designated signal

the sections of tracks without advanced signaling systems, relying instead on manual or basic signaling for train operation and safety

a method of managing train movements through direct communication between the train dispatcher and train crews

a mechanical device activated by the weight or movement of a train's wheels, typically used to trigger signals or track switches

a physical object used to authorize a train's movement along a specific track section

a device used to identify flaws or issues in machinery, typically on railways

a heavy-duty device used for compacting and leveling surfaces, typically in construction or railway maintenance

a small, manually operated vehicle used on railway tracks, powered by pumping handles to move it along

a substance applied to train tracks to improve traction, helps prevent slippery conditions caused by fallen leaves and other debris

a condition on train tracks caused by wet leaves or other debris, making it challenging for trains to maintain traction

a specialized machine that spreads and shapes ballast on the tracks to ensure stability and proper drainage

a specialized machine designed to clear snow from railways by using a rotating blade

a machine used to maintain and improve the condition of train tracks by grinding them to ensure smooth and safe operations

a small vehicle that is manually operated and used on railway tracks for maintenance or inspection purposes

a device used to guide and align railway rolling stock back onto the tracks after a derailment or during maintenance