TPWS
E86256
TPWS (Train Protection & Warning System) is a UK railway safety system that automatically applies a train’s brakes to prevent collisions and overspeeding, particularly at signals and speed restrictions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TPWS canonical | 30 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
railway safety system
ⓘ
train protection system ⓘ |
| abbreviationOf | Train Protection & Warning System ⓘ |
| activationCondition |
train approaching a red signal too fast
ⓘ
train exceeding a monitored speed restriction ⓘ train passing a red signal ⓘ |
| appliesTo | railway trains ⓘ |
| basedOn | transmission of radio frequency signals from track to train ⓘ |
| compatibleWith | conventional UK lineside signalling ⓘ |
| component |
brake interface
ⓘ
on-board control unit ⓘ on-board receiver equipment ⓘ track-mounted transmitter loops ⓘ |
| countryOfUse | United Kingdom ⓘ |
| deploymentPeriod | early 2000s ⓘ |
| developedBy | British railway industry ⓘ |
| developedFor | Railtrack ⓘ |
| effectOfActivation |
brings train to a stop
ⓘ
initiates emergency brake application ⓘ |
| fullName | Train Protection & Warning System ⓘ |
| hasVariant | TPWS+ (enhanced configuration) ⓘ |
| introducedAs | cost-effective alternative to full Automatic Train Protection ⓘ |
| introducedInCountry | United Kingdom ⓘ |
| language | en ⓘ |
| limitation |
does not prevent all SPADs
ⓘ
does not provide continuous speed supervision over entire route ⓘ |
| mandatedBy | UK railway safety regulations ⓘ |
| monitors |
train location relative to signals
ⓘ
train speed ⓘ |
| operatorDomain | mainline railways in Great Britain ⓘ |
| providesProtectionType |
overspeed sensor system
ⓘ
train stop system ⓘ |
| purpose |
to mitigate signals passed at danger
ⓘ
to prevent overspeeding ⓘ to prevent train collisions ⓘ |
| regulatoryDriver |
Railway Safety Regulations 1999 (UK)
ⓘ
post-Clapham Junction rail accident safety recommendations ⓘ |
| relatedTo |
Automatic Train Control
ⓘ
surface form:
Automatic Train Protection
Automatic Warning System ⓘ |
| safetyFunction | automatic brake application ⓘ |
| safetyImpact | reduction in serious SPAD-related accidents in the UK ⓘ |
| sector | rail transport safety ⓘ |
| standardizedBy | Rail Safety and Standards Board ⓘ |
| successorTo | AWS in terms of enhanced protection ⓘ |
| usedAt |
buffer stops
ⓘ
permanent speed restrictions ⓘ signals ⓘ |
| usedOn |
freight trains in Great Britain
ⓘ
passenger trains in Great Britain ⓘ |
| worksWith | AWS ⓘ |
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
British Rail Class 397
subject surface form:
British Rail Class 180
subject surface form:
British Rail Class 730
subject surface form:
British Rail Class 390
subject surface form:
British Rail Class 745
subject surface form:
British Rail Class 755
subject surface form:
British Rail Class 345
subject surface form:
British Rail Class 800