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British railway signalling scheme
Absolute block signalling is a British signalling block system designed to ensure the safe operation of a railway by allowing only one train to occupy
Absolute_block_signalling
Railway signaling system
theory for block systems. Absolute block signalling Cab signalling Centralized traffic control Direct traffic control Radio Electronic Token Block Track warrant
Signalling_block_system
Principle of signals used to control railway traffic
replacement of manual block systems such as absolute block with automatic block signalling. Under automatic block signalling, signals indicate whether or
Railway_signalling
Railway safeworking operations
transport system, signalling control is the process by which control is exercised over train movements by way of railway signals and block systems to ensure
Signalling_control
Rail traffic control systems used in the United Kingdom
colour-light signals using track circuit – or axle counter – block signalling. It is a development of the original absolute block signalling that is still
UK_railway_signalling
Visual signal device for railway engineers
to power signal equipment directly from mains power, with batteries only as backup. Absolute block signalling – British railway signalling scheme Automatic
Railway_signal
Railway safety system
international cab signalling systems such as CAWS in Ireland, BACC in Italy, ALSN in Russia and the first generation Shinkansen signalling developed by Japan
Cab_signalling
Railroad communications system
Automatic block signaling (ABS), spelled automatic block signalling or called track circuit block (TCB) in the UK, is a railroad communications system
Automatic_block_signaling
Form of fixed railway signal
describes semaphore signals as they were and are used with absolute block signalling in the United Kingdom. A stop signal is any signal whose most restrictive
Railway_semaphore_signal
Type of railway signalling system
with fixed block signalling systems. Communications Based Train Control (CBTC) and Transmission Based Signalling (TBS) are two signalling standards that
Moving_block
interlocking signal is clearly visible and is displaying a "proceed" indication. Trains portal Cab signalling Railway signalling Signalling block system Todd
North American railroad signals
North_American_railroad_signals
Devices used to warn pedestrians and drivers of incoming trains at level crossings
outer ends. This assumes that there are no ordinary track circuits for block signalling purposes. Two predictor circuits may overlap, with tuned circuits used
Level_crossing_signals
Rail traffic control systems in Australia
Mechanical signalling in all States followed British practice using route signalling with slight differences between States. The basic running signal was the
Australian_railway_signalling
Rail automation products company
divested the signalling technology to Alcatel-Lucent. In April 2006, Thales Group announced it would be acquiring Alcatel Rail Signalling Solutions in
Thales Rail Signalling Solutions
Thales_Rail_Signalling_Solutions
Railway cab signaling technology used on high-speed rail
than traditional signalling systems would allow, including track gradient profiles and information about the state of signalling blocks further ahead. This
Transmission_voie-machine
unusual pre-existing signalling. The Verlant code was very innovative, based on simple principles: Mainly based on color light signalling, which thereafter
French_railway_signalling
Method of controlling single line railways
In railway signalling, a token is a physical object which a train driver is required to have or see before entering onto a particular section of single
Token_(railway_signalling)
Traffic control on Polish railways
Polish railway signalling (PKP) system provides a complex outlook of traffic situations, yet is quite easy to understand. Most signals are colour lights
Polish_railway_signalling
Type of signal box in railway signalling
sub-paragraph 4. Automatic Block Signal Centralised control Block signalling Signalling block systems Token (railway signalling) Ellis, Iain (2006). Ellis'
Block_post
driving trains. Japanese signalling was initially based on British railway signalling practice, and Japanese railway signalling continues to be based on
Japanese_railway_signals
Intersection where a road crosses a railway at the same level
crossing barriers that may trap vehicles or pedestrians on the tracks, while signalling trains to brake until the obstruction clears. However, they cannot prevent
Level_crossing
also known as ATB Indonesian railway signalling "Railway line capacity consumption of different railway signalling systems under scheduled and disturbed
Dutch_railway_signalling
Belgian railway signalling is the signalling in effect on the Belgian rail network currently operated by Infrabel. In Belgium, there are two types of train
Belgian_railway_signalling
Railway signaling in North America
developing those guidelines? For this purpose, a focus group was assembled. Signalling block system "Compliance with Railroad Operating Rules and Corporate Culture
North American railroad signaling
North_American_railroad_signaling
Train protection system in the UK and Victoria, Australia
of the signal increasing the effectiveness to 100 mph (160 km/h). When installed in conjunction with signal controls such as 'double blocking' (i.e. two
Train Protection & Warning System
Train_Protection_&_Warning_System
French rolling stock manufacturer
It is active in the fields of passenger transportation, rail services, signalling, and locomotives, producing high-speed, suburban, regional and urban trains
Alstom
Swedish railway signalling system
aspect. Single and Double Green signals work the other way with Norwegian railway signalling and Danish railway signalling [da] and it would be unsafe for
Swedish_railway_signalling
American company (1881–2009)
CS1 maint: location missing publisher (link) US&S (1911). Automatic Block Signalling for Interurban Electric Railways. Swissvale, Pennsylvania. p. 33.{{cite
Union_Switch_&_Signal
Beacon or transponder used on railways
train signalling for Europe. The first Eurobalises were tested in 1996 and later train protection systems used them as a basis for their signalling needs
Balise
State railway company of India
Remaining routes are based on absolute block signalling with trains manually controlled by signal men from the signal boxes typically located at stations
Indian_Railways
Railway fail-safe against human error
additional magnets to be placed between distant and home signals or data transfer from the signalling system to the onboard computer is continuous (e.g., LZB)
Train_protection_system
Railway safety system
signalling, the AWS system was installed only at distant signals but, with multi-aspect signalling, it is fitted at all main line signals. All signal
Automatic_Warning_System
The signalling system used on the railway network in Finland comprises color-light signals and fixed signs, used together with the Automatic Train Control
Finnish_railway_signalling
British train identifier
discs were used by day in the place of lamps. With the advent of absolute block signalling, the class-based headcodes allowed signallers to identify and
Train_reporting_number
System used in railway signalling
form of block signalling, which does not permit two trains to be within the same section of track (block) at the same time. Block signalling decreases
Axle_counter
Rail traffic control systems used in Norway
The signalling system used on the rail transport in Norway is regulated by Trafikkregler for jernbanenettet (TJN). The first signalling system on the
Norwegian_railway_signalling
Railway signalling system
railway signalling that originated in North America. CTC consolidates train routing decisions that were previously carried out by local signal operators
Centralized_traffic_control
Class of vehicle protection systems for railways
pp. 813–815. automatic train stop. Union Switch and Signal Co. (1911). Automatic Block Signalling for Interurban Electric Railways. Swissvale, PA. p. 33
Automatic_train_stop
1874 railway incident in Scotland
be demolished. The tragedy was heightened by the fact that the absolute block signalling system which would have prevented the disaster (by preventing
Bo'ness_Junction_rail_crash
Railway track status technology
all of the cab signal current so that following trains might receive an incorrect aspect. Trains of this type must be given absolute block protection to
Pulse_code_cab_signaling
Railway signals in Germany are regulated by the Eisenbahn-Signalordnung (ESO, railway signalling rules). There are several signalling systems in use,
Railway_signals_in_Germany
Railway rolling stock manufacturer
customized train set Maglev Transrapid (Shanghai) Trainguard MT - a signalling block systems based on CBTC Data Capture Unit (DCU) - Secure connectivity
Siemens_Mobility
Class of train protection systems for railways
stands for Cab Signalling-ATC), is an analogue ATC technology using ground-based control, and, like all ATC systems, used cab signalling. CS-ATC uses trackside
Automatic_train_control
American railroad products company
makers of signal equipment, Coast to Coast Signal Engineering and C&S Signaling, as well as a General Electric subsidiary involved in the signal industry;
Progress_Rail
Arrangement of railway signal apparatus
In railway signalling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such
Interlocking
Train protection system
achieved. Trackside signalling is not mandatory and can be replaced with cab signalling using DMI. It is considered to be a "quasi-moving-block" system. This
Chinese_Train_Control_System
Maximum occupancy of a route in a given time
travellers and infrastructure Moving block Railway signalling Signalling block system Absolute block signalling "route capacity". The Free Dictionary
Route_capacity
Train protection system in Japan
2011. It uses radio communication rather than traditional signals, and works as a moving block system. Communication between the train and the trackside
ATACS
Train control system used in Australia
decided to equip the Port Augusta - Tarcoola section with conventional CTC signalling. ARTC - Lockheed Martin agreement.[self-published source?] Train Management
Advanced Train Management System
Advanced_Train_Management_System
Railway signaling system
require the use of moving block railway signalling, but in practice this is the most common arrangement. Traditional signalling systems detect trains in
Communications-based train control
Communications-based_train_control
System installed in trains to prevent collisions through driver error
compatible with the permitted speed allowed by signalling, including automatic stop at certain signal aspects. If it is not, ATP activates an emergency
Automatic_train_protection
Former railway signalling centre in Yorkshire, England
Haythornthwaite opens new signalling attraction at National Railway Museum in York". York Press. 28 October 2009. "York IECC". The Signalling Record Society. October
York_IECC
Railway points used as safety devices
Runaway truck ramp Runway safety area (RSA/RESA) for airplanes "Glossary of Signalling Terms, Railway Group Guidance Note GK/GN0802, Issue One". Rail Safety
Catch_points
Transportation company
agreement for the sale of Hitachi Rail’s main line signalling business in France and its signalling business units in Germany and the UK. The company's
Hitachi_Rail_STS
Electrical device used to detect the presence of trains on rail tracks
except to the signalling system, which no longer has natural breaks in the rail to form block sections. The only method to form discrete blocks in this scenario
Track_circuit
Type of train protection system
Congress.[citation needed] Railroads that operate lines equipped with cab signalling and existing Automatic Train Control systems have argued that their proven
Positive_train_control
Railway signaling system
is a cab signalling system that can be superimposed on the existing signalling system, leaving the fixed signalling system (national signalling and track-release
European_Train_Control_System
Railway signalling systems used in Switzerland by different railway companies
railway signalling describes the railway signalling systems used in Switzerland by the different railway companies. There are two main types of signal, used
Swiss_railway_signalling
Czech private commercial company
development and production of communication, signalling and signalling equipment for railway transport, light signalling equipment for road transport and other
AŽD_Praha
Signal box in London Borough of Southwark, London, England
London Bridge Area Signalling Centre (ASC) was a signalling centre on the Kent Route of Network Rail, principally covering the line from London (Charing
London Bridge Area Signalling Centre
London_Bridge_Area_Signalling_Centre
Structural fence designed to physically stop falling rocks from reaching the tracks
sensing, using cameras Pass of Brander stone signals "Railway Signalling and Operations, Glossary of Signalling Terms". Retrieved 2007-05-02.{{cite web}}:
Railway_slide_fence
American manufacturer of railway signaling equipment
Archived from the original on November 7, 2012. Alstom Signalling Inc.(2010). "Rochester Signalling and Control Systems." Archived 2011-10-02 at the Wayback
General_Railway_Signal
Former Canadian rolling stock and rail transport manufacturer
Werk-Sued Mannheim – rail vehicle drive and control systems; passenger and signalling systems; inductive charging (PRIMOVE); as well as project management,
Bombardier_Transportation
South Korean machinery manufacturer
(Korean: 현대로템), is a South Korean manufacturer of railway rolling stock, railway signalling, defense products and plant equipment. It is a member of Hyundai Motor
Hyundai_Rotem
Components of a train protection system
with the conventional (national) signal system either by connecting to the lineside railway signal or to the signalling control tower. A balise transmits
Eurobalise
Railway line in Italy
with absolute block signalling, saw at the beginning of the nineties the complete automation of level crossings and the abolition of these signalling systems
Rome–Frascati_railway
Train control system used in Australia
Indicators)" (PDF). SA Track and Signal. Retrieved 25 October 2025. "Engineering (Signalling) Standard SDS 01 Signals" (PDF). Australian Rail Track Corporation
Train Management and Control System
Train_Management_and_Control_System
Rail rolling stock manufacturer
wagons. Non-rolling stock businesses included railway electrification and signalling infrastructure. On 8 May 1995, ABB and Daimler-Benz proposed a merger
Adtranz
Railway operating rulebook
to enhance railway safety. The rules cover employee responsibilities, signalling equipment, procedures for safe train movement, dealing with accidents
Canadian_Rail_Operating_Rules
Railway signalling system
Radio Electronic Token Block is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling
Radio_Electronic_Token_Block
month before Crewe North Junction closed. Signalling was handed over to Crewe Signalling Centre (a power signal box) which still exists to this day.[when
Crewe North Junction signal box
Crewe_North_Junction_signal_box
Warning system for train drivers used in Ireland
(CAWS) is a form of cab signalling and train protection system used in Ireland to help train drivers observe and obey lineside signals. CAWS has been in use
Continuous Automatic Warning System
Continuous_Automatic_Warning_System
Railway cab signalling system
Automatic Train Protection (ATP) is a method of beacon based railway cab signalling developed by British Rail. The system was installed on the Great Western
Automatic Train Protection (United Kingdom)
Automatic_Train_Protection_(United_Kingdom)
Modern railway signalling in Thailand on the mainline employs color light signals and computer-based interlocking. The State Railway of Thailand is currently
Thai_railway_signalling
Train protection system in North America
1000 feet from the absolute stop signal itself. To pass the stop signal or otherwise move the train in absence of a more favorable signal indication a Stop
Advanced Civil Speed Enforcement System
Advanced_Civil_Speed_Enforcement_System
Sign with level crossings, often in a cross
barrier that descends to block the road and prevent traffic from crossing the tracks. The Vienna Convention on Road Signs and Signals, a multilateral treaty
Crossbuck
German train protection system
PZB, or Indusi, is an intermittent cab signalling system and train protection system used in Germany, Austria, Slovenia, Croatia, Romania, Israel, Serbia
Punktförmige_Zugbeeinflussung
Italian railway gadgets
"searchlight" type on conventional lines, and of the ERTMS cab signalling on high-speed lines. The signalling practice in the early days of Italian railways was not
Italian_railway_signalling
Railway line in Sussex, England
over until Southerham Junction, from which absolute block signalling takes over through to Hastings. Signal boxes were situated at Berwick, Polegate Crossing
East_Coastway_line
Regional signalling centres on the mainland British railway network
Railways and not Network Rail. The ROCs function as signalling and control centres with signalling staff, train operating company (TOC) staff and Network
Rail_operating_centre
Train protection system
track: Stop (home signals): positive - negative, concurrent Caution (distant signals): negative - positive, concurrent Caution (home signal): positive - positive
Integra-Signum
Audible signal used at level crossings
In rail transport, a wayside horn is an audible signal used at level crossings. They can be used in place of, or in addition to, the locomotive's horn
Wayside_horn
v t e Railway signalling Block systems Absolute block signalling Automatic block signaling Centralized traffic control Communications-based train control
Track_circuit_interrupter
American manufacturer of railway signaling equipment
railway signalling. The company manufactured automatic block signaling systems, disc signals (also called "banjo" signals), a rotating semaphore signal, grade
Hall_Signal_Company
Railway signalling device
In railway signalling, a treadle is a mechanical or electrical device that detects that a train wheel has passed a particular location. They are used where
Treadle_(railway)
"DIGITAL SIGNALLING AND CONTROL". modernrailways.com. Cribbens, A. H. (1 May 1987). "Solid-state interlocking (SSI): an integrated electronic signalling system
Solid_State_Interlocking
to provide a comprehensive set of visual helps to the driver, about block signaling, speed limits and temporary limitations. It's usually part of the more
Sistema_Supporto_Condotta
Railroad grade crossing signal
type of railroad grade crossing signal once common in North America, referring to its pendulum-like motion that signaled a train's approach. The device
Wigwag_(railroad)
Set of instructions to a train crew
receiving crew. Track warrants are sometimes used in conjunction with a block signal system to provide rear-end protection against following trains.[better source needed]
Track_Warrant_Control
Railway safety device
driver's cab for old machines. Communication between the ground-based signalling system and the in-cab equipment is made by the crocodile, an electrical
Crocodile (train protection system)
Crocodile_(train_protection_system)
Overview of train traffic management
signalling. Signalling in the UK uses route signalling. Most railway systems around the world, however, use speed signalling. Under route signalling,
Application of railway signals
Application_of_railway_signals
Train protection system in South Korea
general and high-speed lines), KTCS-3 (next-generation system based on Moving block) and KTCS-M (formerly was KRTCS-1, for Urban rail transit). Before the development
Korean_Train_Control_System
Anglo-Australian railway parts manufacturer
Brake & Signal Holdings becoming Siemens Rail Automation Holdings Limited. With this, the Westinghouse name disappeared from the railway signalling industry
Westinghouse Brake and Signal Company
Westinghouse_Brake_and_Signal_Company
Railway tunnel in Derbyshire, England
the Erewash Valley. The tunnel saw one of the first uses of the absolute block signalling system, maybe after a narrow escape on the south-bound inaugural
Clay_Cross_Tunnel
Terms used for passenger railway lines and equipment
double-track, absolute block signalling and without grade crossings. Others ran at (too) high speed on single-track right-of-way without block signalling – and
Passenger_rail_terminology
Contents: A B C D E F G H J K L M N O P R S T U V W Y Absolute block signalling A British signalling scheme designed to ensure the safe operation of a railway
Glossary of United Kingdom railway terms
Glossary_of_United_Kingdom_railway_terms
Spanish train protection system
Anuncio de Señales y Frenado Automático (ASFA; "Announcement of Signals and Automatic Braking") is an Automatic Train Protection system widely deployed
Anuncio de Señales y Frenado Automático
Anuncio_de_Señales_y_Frenado_Automático
during the early 1850s due to signalling failures. Saxby became interested in railway safety and invented an improved signalling lamp, giving considerable
John_Saxby
Type of train protection system in Japan
the oldest subway line in Japan, where it, along with a new CS-ATC cab signalling system, replaced the line's previous mechanically-operated automatic train
Train automatic stopping controller
Train_automatic_stopping_controller
System for safely moving trains
safely moving trains using train orders, as opposed to fixed signals or cab signalling. In train order operation, a "train order" is an order issued
Train_order_operation
ABSOLUTE BLOCK-SIGNALLING
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ABSOLUTE BLOCK-SIGNALLING
ABSOLUTE BLOCK-SIGNALLING
ABSOLUTE BLOCK-SIGNALLING
ABSOLUTE BLOCK-SIGNALLING
ABSOLUTE BLOCK-SIGNALLING