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Double trap points are a full turnout, leading to two tongues. Usually the tongue nearer the main line is longer than the other. Trap points with a crossing are double trap points where the tongues of rail are longer, so that the trap point rail nearest the main line continues over the siding rail with a common crossing or frog.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
An insulated track circuit interrupter fitted to trap points. A track circuit interrupter may be fitted at catch points, trap points or buffer stops to maintain a track circuit in the 'occupied' state in the event of a derailment. The track circuit remains de-energised until the interrupter is replaced.
The second type of derail is the "split rail" type. [7] These are basically a complete or partial railroad switch which directs the errant rolling stock away from the main line. This form is common throughout the UK, where it is called trap points or catch points. Split rail type derail on the A&M in Rogers, Arkansas
The token system is still regularly used on the present-day State Railway of Thailand system. Although most use occurs in regional areas, some use appears in the capital city, Bangkok, such as the Makkasan to Khlong Tan section etc. [16] Sri Lanka Railways uses a tablet exchanging system on the up-country railway line.
Following this accident, the Great Western Railway provided trap points and scotch blocks at all sidings that exited onto running lines. [ 2 ] In 1873 a signal box was opened at the west end of the Bristol-bound platform to control trains through the station; until then signals had been worked independently, and they were now all able to be ...
Whitchurch Town railway station was a station on the ... a freight train hauled by BR Standard Class 4 2-6-0 No. 76017 overran signals and was derailed by trap points ...
Following this accident, The Great Western Railway provides trap points and scotch blocks at all sidings exiting on to main lines. [36] United Kingdom – A Midland Railway train is in a rear-end collision with an excursion train at Woodlesford station, Yorkshire because a signal is lit at night. [41]