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- Train_Protection_&_Warning_System abstract "The Train Protection & Warning System (TPWS) is a train protection system throughout the two UK passenger main-line railway networks, and in Victoria, Australia. It automatically activates brakes on a train that has passed a signal at danger or is overspeeding. It is fitted at selected sites, including some lines where automatic train protection (ATP) is installed.Unlike ATP, it does not aim to stop trains at or before a signal that is at danger - it aims to stop the train before the point at which a collision with another train could occur, excluding rear-end collision with a train in front. According to the Health and Safety Executive, it is estimated to prevent between 65% and 80% of fatalities that would be stopped by a full ATP system.A standard installation consists of an on-track transmitter adjacent to a signal, activated when the signal is at danger. A train that passes the signal will have its emergency brakes activated. If the train is travelling at speed, this may be too late to stop it before the point of collision, therefore a second transmitter may be placed on the approach to the signal that applies the brakes on trains going too quickly to stop at the signal, positioned to stop trains approaching at up to 75 mph (120 km/h).At around 400 high-risk locations, TPWS+ is installed with a third transmitter is used further in rear of the signal and this increases the effectiveness to 100 mph (160 km/h). When installed in conjunction with signal controls such as 'double blocking' (i.e. two red signal aspects in succession), TPWS can be fully effective at any realistic speed.TPWS is not the same as timed train stops that accomplish a similar task with different technology.".
- Train_Protection_&_Warning_System wikiPageExternalLink www.rail-reg.gov.uk.
- Train_Protection_&_Warning_System wikiPageID "808512".
- Train_Protection_&_Warning_System wikiPageRevisionID "604351545".
- Train_Protection_&_Warning_System date "January 2011".
- Train_Protection_&_Warning_System hasPhotoCollection Train_Protection_&_Warning_System.
- Train_Protection_&_Warning_System reason "entire or selected?".
- Train_Protection_&_Warning_System subject Category:Train_protection_systems.
- Train_Protection_&_Warning_System type Artifact100021939.
- Train_Protection_&_Warning_System type Instrumentality103575240.
- Train_Protection_&_Warning_System type Object100002684.
- Train_Protection_&_Warning_System type PhysicalEntity100001930.
- Train_Protection_&_Warning_System type System104377057.
- Train_Protection_&_Warning_System type TrainProtectionSystems.
- Train_Protection_&_Warning_System type Whole100003553.
- Train_Protection_&_Warning_System comment "The Train Protection & Warning System (TPWS) is a train protection system throughout the two UK passenger main-line railway networks, and in Victoria, Australia. It automatically activates brakes on a train that has passed a signal at danger or is overspeeding.".
- Train_Protection_&_Warning_System label "Train Protection & Warning System".
- Train_Protection_&_Warning_System label "Train Protection & Warning System".
- Train_Protection_&_Warning_System label "Train Protection and Warning System".
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- Train_Protection_&_Warning_System wasDerivedFrom Train_Protection_&_Warning_System?oldid=604351545.
- Train_Protection_&_Warning_System isPrimaryTopicOf Train_Protection_&_Warning_System.