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This buffer stop at Zurich HB in Switzerland is designed to move up to 7 metres (23 ft) to slow down an 850-tonne (840-long-ton; 940-short-ton) passenger train from 15 km/h (9.3 mph) without damaging the train or injuring passengers. A buffer stop, bumper, bumping post, bumper block or stopblock (US), is a device to prevent railway vehicles ...
The Montparnasse derailment occurred at 16:00 on 22 October 1895 when the Granville–Paris Express overran the buffer stop at its Gare Montparnasse terminus. With the train several minutes late and the driver trying to make up for lost time, it approached the station too fast and the driver's application of the train air brake was ineffective.
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 trap road with stops is a short dead-end siding leading to some method of stopping a vehicle, such as a sand drag or buffer stop.
TPWS was developed by British Rail and its successor Railtrack, following a determination in 1994 that British Rail's Automatic Train Protection system was not economical, costing £600,000,000 equivalent to £979,431,929 in 2019 to implement, compared to value in lives saved: £3-£4 million (4,897,160 - 6,529,546 in 2019), per life saved, which was estimated to be 2.9 per year.
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 centre of the buffer on European railway vehicles must be between 940 and 1,065 mm above the top of rail. Spain was an exception for a long time. A buffer separation of 1,950 mm was specified there because of the force transmitted to the longitudinal beams of the wagons, which are further apart due to their broad gauge railways.
A first-of-its-kind College Football Playoff officially kicks off Friday at 8 p.m. ET with No. 9 Indiana taking the three-hour-plus drive north US-31 to Notre Dame Stadium looking to upset No. 3 ...
It means Fahrverbot (literally "movement forbidden"), and all train and shunting movements must stop short of it. These signals are still in use by mechanical signal boxes. 'Black box' indicators fixed at aspect Sh 0 are commonly found mounted on buffer stops. Sh 1: