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Direct traffic control (DTC) is a system for authorizing track occupancy used on some railroads instead of or in addition to signals. It is known as "direct"
Direct_traffic_control
Railway signalling system
Centralized traffic control (CTC) is a form of railway signalling that originated in North America. CTC consolidates train routing decisions that were
Centralized_traffic_control
Directing of vehicular and pedestrian traffic
Road traffic control involves directing vehicular and pedestrian traffic around a construction zone, accident or other road disruption, thus ensuring
Road_traffic_control
Detection of small vehicles at intersections
intersections controlled by traffic lights. However, these lights sometimes do not detect smaller vehicles such as bikes or motorcycles. Traffic lights that
Non-detection at traffic lights in the United States
Non-detection_at_traffic_lights_in_the_United_States
Set of instructions to a train crew
behind a passing train. Track Warrant Control is similar to yet distinct from the concept of Direct Traffic Control (DTC), appearing later as railroads
Track_Warrant_Control
Service to direct pilots of aircraft
Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through controlled airspace
Air_traffic_control
Person directing aircraft
traffic controller (ATC) is a person responsible for the coordination of air traffic within controlled airspace. Typically they work in area control centers
Air_traffic_controller
System for safely moving trains
centralized traffic control (CTC), direct traffic control (DTC), and the use of track warrants conveyed by radio. The system used a set of rules when direct communication
Train_order_operation
Section of railway without signals
radio communications these have been replaced by track warrants and direct traffic control, with train dispatchers managing train movements directly. Today
Dark_territory
Topics referred to by the same term
Road traffic control, directing vehicles and pedestrians around a construction zone etc Traffic guard or traffic controller, a person who directs road
Traffic control (disambiguation)
Traffic_control_(disambiguation)
Air traffic control center in New York, U.S.
New York Air Route Traffic Control Center (ZNY) (radio communications: "New York Center") is one of 22 Air Route Traffic Control Centers (ARTCCs) operated
New York Air Route Traffic Control Center
New_York_Air_Route_Traffic_Control_Center
Signalling device to control competing flows of traffic
intersections, pedestrian crossings, and other locations to control the flow of traffic. Traffic lights usually consist of three signals, conveying meaningful
Traffic_light
Railway signalling system
physical token system for controlling traffic on single lines. The system is slightly similar to North American direct traffic control, which unlike RETB does
Radio_Electronic_Token_Block
National traffic control manual of the Federal Highway Administration
The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated
Manual on Uniform Traffic Control Devices
Manual_on_Uniform_Traffic_Control_Devices
Highway designed for high-speed, regulated traffic flow
A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated
Controlled-access_highway
making sure all traffic stayed on the west side of the bridge. A second officer directed traffic on the east side of the bridge to control the flow of people
History_of_traffic_lights
Movement of vehicles and pedestrians along land routes
generally has well-established priorities, lanes, right-of-way, and traffic control at intersections. (International Regulations for Preventing Collisions
Traffic
Branch of logistics concerning the movement of vehicles
management: traffic controller Air traffic control, a service provided by ground-based controllers who direct aircraft Road traffic control, directing vehicular
Traffic_management
Railway signaling system
Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and
Communications-based train control
Communications-based_train_control
Avionics system
which provides direct data link communication between the pilot and the air traffic controller. The communications include air traffic control clearances
Future_Air_Navigation_System
History of air traffic control coordinated across the entire United Kingdom
The history of air traffic control in the United Kingdom began in the late 1950s, and early 1960s, when an integrated and coordinated system began, once
History of air traffic control in the United Kingdom
History_of_air_traffic_control_in_the_United_Kingdom
Short post for traffic control
Traffic bollards are short, up to 48", pillar-like objects used to obstruct roads for traffic control and pedestrian safety. Bollards work by limiting
Traffic_bollard
Person who directs traffic through a temporary traffic control zone
traffic control. Traffic guards may be assisted by Automated flagger assistance devices (AFADs) so that they can stay out of the roadway when directing traffic
Traffic_guard
System installed in trains to prevent collisions through driver error
(ATB) Automatic train control British Rail's ATP system Continuous Automatic Warning System (CAWS) EBICAB European Train Control System (ETCS) Kavach Positive
Automatic_train_protection
Railway signaling system
systems. Absolute block signalling Cab signalling Centralized traffic control Direct traffic control Radio Electronic Token Block Track warrant Train order operation
Signalling_block_system
Beacon or transponder used on railways
Chinese Train Control System versions CTCS-2 and CTCS-3 installed on high-speed rail lines in China, which is based on the European Train Control System. A
Balise
Railway signaling in North America
a clearance is the equivalent to a track warrant. Direct Traffic Control Direct Traffic Control, or DTC, is similar to TWC, except that the rail line
North American railroad signaling
North_American_railroad_signaling
Railway fail-safe against human error
contact. The Great Western Railway in the UK introduced its 'automatic train control' system in the early years of the 20th century. Each distant signal had
Train_protection_system
Train control system used in Australia
The Train Management and Control System (TMACS) is a Communications-based train control system used on over 5,000 kilometres (3,100 mi) of track in Australia
Train Management and Control System
Train_Management_and_Control_System
Railroad communications system
intervention, unlike more modern traffic control systems that require external control to establish a flow of traffic. The earliest way of managing multiple
Automatic_block_signaling
Components of a train protection system
between the rails of a railway. Eurobalises are part of the European Train Control System (ETCS). The balises are pre-programmed and contain information that
Eurobalise
Type of railway signalling system
European Rail Traffic Management System's level-3 specification (the name of which has recently changed) for the European Train Control System, aims to
Moving_block
Unit of the US Air Force specializing in combat air-ground communication
communication, as well as air traffic control, fire support (including rotary and fixed-wing close air support), and command, control, and communications in
United States Air Force Combat Control Team
United_States_Air_Force_Combat_Control_Team
Train protection system in South Korea
The Korean Train Control System (KTCS) is a train protection system established as a standard specification for the South Korean railway. Originally,
Korean_Train_Control_System
Intersection where a road crosses a railway at the same level
data. Traffic signal-controlled intersections next to level crossings on at least one of the roads in the intersection usually feature traffic signal
Level_crossing
Principle of signals used to control railway traffic
railroad signaling (American English), is a system used to control the movement of railway traffic. Trains move on fixed rails, making them uniquely susceptible
Railway_signalling
Railway safeworking operations
railway with traffic or railway features like yards, sidings, or junctions. On systems where Morse code was in use it was common to assign control locations
Signalling_control
Topics referred to by the same term
a digital control signal Direct Torque Control, a method to control electric motors with very good torque dynamics Direct traffic control, a method of
DTC
Signal box in London Borough of Southwark, London, England
December 1978, the project had been completed, costing £23.8 million. Traffic bound for Charing Cross and Cannon Street was now segregated outside London
London Bridge Area Signalling Centre
London_Bridge_Area_Signalling_Centre
Australian coal railway
from the Rockhampton Control Centre utilising two safe working systems - Remote Control Signalling (RCS) and Direct Traffic Control (DTC). Queensland portal
Blackwater_railway_system
American former railroad equipment manufacture
Rail Automation to Upgrade Train Control Systems on Two Largest Commuter Lines in U.S." 2013-11-13. "Safetran - Traffic Cabinets & Controllers, NYDOT, Caltrans
Safetran
Standard aircraft path
for coordinating air traffic. It differs from "straight-in approaches" and "direct climb-outs" in that an aircraft using a traffic pattern remains close
Airfield_traffic_pattern
Arrangement of railway signal apparatus
original brand name of the first generation relay-based centralized traffic control (CTC) interlocking system introduced in 1936 by GRS (represented in
Interlocking
Railway rolling stock manufacturer
units: Mobility Management, dedicated to rail technology and intelligent traffic systems, Railway Electrification, Rolling Stock, and Customer Services
Siemens_Mobility
Railway operating rulebook
505–517) Centralized Traffic Control System (CTC) (Rules 560–576) Interlocking Rules (Rule 601–620) Optional Rules (Multi Control System and Rules 49.4
Canadian_Rail_Operating_Rules
Train protection system in North America
Advanced Civil Speed Enforcement System (ACSES) is a positive train control cab signaling system developed by Alstom. The system is designed to prevent
Advanced Civil Speed Enforcement System
Advanced_Civil_Speed_Enforcement_System
Transportation company
manufacturer); Ansaldo Segnalamento Ferroviario (signaling and rail traffic control automation); Ansaldo Trasporti Sistemi Ferroviari (transport systems
Hitachi_Rail_STS
Main air navigation service provider in the United Kingdom
NATS Holdings, formally National Air Traffic Services (NATS), provides en-route air traffic control services to flights within the UK flight information
NATS_Holdings
Railway safety system
European Rail Traffic Management System (ERTMS) aim to improve interoperability. The train-control component of ERTMS, termed European Train Control System (ETCS)
Cab_signalling
Air traffic regulation technique
Air traffic flow management (ATFM) is the strategic process of managing aircraft flow to prevent airports and air traffic control sectors from exceeding
Air_traffic_flow_management
identification number which is counted from the outside of the station. In high-traffic areas, some operators install home signals in the center of a platform
Japanese_railway_signals
Freight railroad line in Ohio, US
line. The line is controlled via a Centralized Traffic Control system that allows for a high throughput of trains. Direct Traffic Control is also used along
Columbus_Subdivision
Class of train protection systems for railways
Automatic train control (ATC) is a general class of train protection systems for railways that involves a speed control mechanism in response to external
Automatic_train_control
Train protection system
The Chinese Train Control System (CTCS, Chinese: 中国列车控制系统) is a train control system used on railway lines in People's Republic of China. CTCS is similar
Chinese_Train_Control_System
Spanish train protection system
The balise requires no external power, however, there is a cable for controlling small relays inside the transponder which switch capacitors in/out of
Anuncio de Señales y Frenado Automático
Anuncio_de_Señales_y_Frenado_Automático
Police officers who enforce traffic laws
who enforce traffic laws and manage traffic. Traffic police help to assist in patrolling highways, directing traffic and address traffic infractions.
Traffic_police
Brussels. In 1868 the company also constructed the world's first traffic signal for road traffic in London's George Street, working to the designs of the South-Eastern
John_Saxby
Automatic train control systems
for the equipment on board a train used as a part of an Automatic Train Control system. Three different families exist, which are technically unrelated
EBICAB
Method of controlling single line railways
units set up at each end of controlled single line. The number of locks in each unit is determined by the expected traffic frequency; optionally at times
Token_(railway_signalling)
Arson at an air traffic control facility in Aurora, Illinois, USA
2014 Chicago Air Route Traffic Control Center fire was an incident in the United States involving arson at an air traffic control facility in Aurora, Illinois
2014 Chicago Air Route Traffic Control Center fire
2014_Chicago_Air_Route_Traffic_Control_Center_fire
German metre-gauge railway
gauge freight. It is operated as a branch line using electronic direct traffic control. Although Weinheim and Heidelberg were already connected by the
Weinheim–Heidelberg_railway
Rail traffic control systems used in the United Kingdom
the majority of the United Kingdom rail network uses lineside signals to control the movement and speed of trains. The modern-day system mostly uses two
UK_railway_signalling
Railway points used as safety devices
safer track. Catch points are used to derail vehicles which are out of control (known as runaways) on steep slopes. Trap points are used to protect main
Catch_points
Type of train protection system
Positive train control (PTC) is a family of automatic train protection systems deployed in the United States. Most of the United States' national rail
Positive_train_control
Rail traffic control systems in Australia
practices. DTC (Direct Traffic Control) is used in lower volume regional networks, however some of the Queensland rail network is still controlled by legacy
Australian_railway_signalling
Sign with level crossings, often in a cross
A crossbuck is a traffic sign used to indicate a level railway crossing. It is composed of two slats of wood or metal of equal length, fastened together
Crossbuck
Electrical device used to detect the presence of trains on rail tracks
device used to prove the absence of a train on a block of rail tracks to control railway signals. An alternative to track circuits are axle counters. The
Track_circuit
Form of fixed railway signal
semaphore signals have been used to control movements of boats or ships (e.g. at swing bridges) and also to control road traffic (e.g. at level crossings). Mechanical
Railway_semaphore_signal
Hand held traffic control device
traffic paddle is a hand-held paddle-shaped signal used by police, traffic wardens, fire brigade, airport ground staff and others to direct traffic.
Traffic_paddle
Railway safety system
"AWS sunflower" A control unit that connects the system to the brakes on the train A driver's AWS acknowledgement button An AWS control panel The system
Automatic_Warning_System
American manufacturer of railway signaling equipment
Manual Control Systems Computer-based Traffic Management Systems Dark territory control systems Electro-mechanical centralized traffic control (cTc) machines
General_Railway_Signal
British railway signalling scheme
defined section of track (block) at a time. Each block section is manually controlled by a signalman, who communicates with the other block sections via telegraph
Absolute_block_signalling
Railway cab signaling technology used on high-speed rail
which control stretches of track about 15 km (9.3 mi) long. Each one is linked to the line's centralized traffic control centre, and directly controls about
Transmission_voie-machine
German train protection system
control"), highlighting that the PZB/Indusi system is a family of intermittent train control systems, in comparison with the continuous train control
Punktförmige_Zugbeeinflussung
Visual signal device for railway engineers
a signal contrary to the alignment of the switch points. Automatic traffic control systems added track circuits to detect the presence of trains and alter
Railway_signal
Railway signalling systems used in Switzerland by different railway companies
light signals are used for main line traffic or shunting. N and L type signals are used for main line traffic and are not to be taken account of during
Swiss_railway_signalling
Swedish railway signalling system
colour-light signals are used, together with the Ansaldo L10000 Automatic Train Control system. The main signals (huvudsignaler) display the following aspects:
Swedish_railway_signalling
Railroad grade crossing signal
Angeles and Long Beach, this line currently sees less traffic since the completion of the more direct Alameda Corridor between downtown and the harbor. This
Wigwag_(railroad)
Class of vehicle protection systems for railways
differs from the concept of automatic train control in that ATS usually does not feature an onboard speed control mechanism. The invention of the fail-safe
Automatic_train_stop
German railway line
successor to the OEG. It is operated as a branch line using electronic direct traffic control. The line was opened on 1 May 1909 by the South German Railway Company
Mannheim-Käfertal–Heddesheim railway
Mannheim-Käfertal–Heddesheim_railway
Railway track status technology
automatically applying. Later, passenger engines were upgraded with speed control which enforced the rulebook speed associated with each cab signal (Clear
Pulse_code_cab_signaling
Dutch system of automatic train protection
Automatische Treinbeïnvloeding or ATB ('automatic train control') is a Dutch train protection system first developed in the 1950s. Its installation was
Automatische Treinbeïnvloeding
Automatische_Treinbeïnvloeding
Train protection system
Contrôle de Vitesse par Balises (Speed control by beacons), abbreviated to KVB, is a train protection system used in France and in London St. Pancras
Contrôle de vitesse par balises
Contrôle_de_vitesse_par_balises
code was already applied by many foreign companies. It was also used for traffic lights. Simplification: it presented only the most imperative indications
French_railway_signalling
German railway line
successor to the OEG. It is operated as a branch line using electronic direct traffic control. Although Mannheim and Heidelberg were already connected by the
Mannheim Kurpfalzbrücke–Edingen–Heidelberg railway
Mannheim_Kurpfalzbrücke–Edingen–Heidelberg_railway
American company (1881–2009)
manual control systems Computer-based traffic management systems Dark territory control systems Electro-mechanical centralized traffic control machines
Union_Switch_&_Signal
needed] Geographic interlocking data, relating to the area of railway under control, is installed using EPROMs contained in plug in memory modules. The interlocking
Solid_State_Interlocking
Overview of train traffic management
frequently employ "running on sight" without any signals (similar to road traffic) except at junctions. Where movement authorities are passed to drivers
Application of railway signals
Application_of_railway_signals
German railway line
successor to the OEG. It is operated as a branch line using electronic direct traffic control. In 1886, the Centralverwaltung für Secundärbahnen Herrmann Bachstein
Mannheim–Weinheim_railway
movement (e.g. mainline operation) which occurs during normal operation (traffic moves at the speed permitted by the signalling and regulations); Minor
Belgian_railway_signalling
Traffic control on Polish railways
The 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
Train control system used in Australia
The Advanced Train Management System is a train control system under development by Lockheed Martin for the Australian Rail Track Corporation (ARTC).
Advanced Train Management System
Advanced_Train_Management_System
Railway operating rulebook
Applicable Only Within Track Warrant Control (TWC) Limits Track Bulletin Rules Rules Applicable Only in Direct Traffic Control (DTC) Limits Rules Applicable
General Code of Operating Rules
General_Code_of_Operating_Rules
Devices used to warn pedestrians and drivers of incoming trains at level crossings
the UK, the warning devices are more often than not activated by remote control, i.e. an operator pressing buttons. However, the majority of countries
Level_crossing_signals
Military unit
Marine Air Traffic Control Units (MATCU) were United States Marine Corps air traffic control (ATC) detachments that provided continuous, all-weather,
United States Marine Corps Air Traffic Control Units
United_States_Marine_Corps_Air_Traffic_Control_Units
French train protection system
newly-extended line RER E in 2024, it is proposed to replace signalling and control on all RER lines. The SACEM system enables a train to receive signals from
SACEM_(railway_system)
U.S. airspace system classification scheme
the type of operation and traffic density within that class of airspace – in particular to provide separation and active control in areas of dense or high-speed
Airspace types (United States)
Airspace_types_(United_States)
Rail signaling equipment
before being overtaken by more advanced cab signaling and automatic train control systems. The system remains in use after having been introduced in the
Intermittent inductive automatic train stop
Intermittent_inductive_automatic_train_stop
The State Railway of Thailand is currently implementing centralized traffic control to link the whole country's signalling system together using a fiber
Thai_railway_signalling
Topics referred to by the same term
Air control may refer to: Air Control, a 2014 video game Air traffic control, a service for directing aircraft traffic, mainly civilian Air supremacy,
Air_control
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