railway signalling

security apparatus, <for railways>

signalling system, <for railways>

lineside signalling

automatic signalling

continuous signalling

intermittent signalling

route signalling

speed signalling

fail-safe, adj

safety installation

section regulator

regulation

signal regulations

main running line

siding

operation, <of points, of a device>

ground frame operation

permission

authority for shunting

overlap, <in signalling>

route, <in signalling>

fouling point

reversible working

temporary single-line working

flank protection

line subject to speed restriction

control, <in signalling>

central control of traffic

direct control, <in signalling>

remote control, <in signalling>

local control, <in signalling>

normal position

reverse position

resetting device

prohibition device

clearing of a track

effect of train

rigid transmission

wire transmission

broken-wire detector

checking circuit

checking equipment

checking of an apparatus

correspondence checking

positional checking

repeater, <in signalling>

electromechanical repeater

light repeater

command, <in signalling>

commercial speed

degraded modes, pl

environmental conditions, <for signalling equipment> pl

equipment housing

exclusive guideway

generic application

generic product

grade of automation

guideway clearance

interchangeability, <of system components>

interoperability of a transport network

mission of a train

movement authority

operations control centre

operations control HMI

operations staff

passenger transfer area

passenger transfer door

platform track

platform waiting area

safe places, pl

safety space

safety-related, adj

specific application

supervise, verb

transfer area

transport authority

zero speed status

zone of protection

signal, <in railway signalling>

aspect of a signal

indication of a signal

classification of signal aspects

signal on

open position, <of a signal>

signal at danger

clear signal

out-of-commission signal

masked signal

signal out

caution aspect

manual signalling

manually-operated signal

mechanical signalling

mechanical signal

semaphore signal

semaphore arm

violet square signal

disc signal

signal circuit controller

coupled signals, pl

signal bracket

bracketed signal

signal gantry

bell-code signalling

detonator

detonator placer

electric signalling

automatic signal

semi-automatic signal

automatic signal replacement

light signalling

light signal, <for signalling>

multiple-aspect light signal

position light signal

marker light

light unit

single light unit

multi-unit light signal

signal light, <for signalling>

flashing light signal

phantom light

searchlight signal

hot strip

side light

signal lamp

back light, <of a signal>

approach lighting

positioning of signals

warning presignalling distance

sighting distance

distance between signals

signal headway

signal in rear

signal identification plate

signal type plate

signal background

signal hood

signal not in use sign

warning board

execution signal

warning signal, <for train driver>

speed restriction warning signal

speed restriction execution signal

speed warning board

speed limit execution board

speed limit termination indicator

line speed indicator

route indicator

distant route indicator

direction indicating board

fouling point indicator

tail lamp

reflectorized board

stop-board

vehicle on-line indicator

whistle board

stop signal, <for signalling>

main signal

entry signal

exit signal

departure signal

departure light signal

common signal

main signal with shunting aspect

special purpose subsidiary signal

subsidiary signal

supplementary signal indication

block signal, <for signalling>

permissive signal, <in a block system>

stop and proceed signal

call-on signal

permissive light

shunt signal

shot shunting signal

ground signal

limit of shunt indicator

humping signal

distant signal

outer distant signal

pre-distant signal

repeating signal

short route signal

speed regulating signal

signal for work-site

intermittent warning signal

junction signal

hand signal

points indication signal

brake test signal

protection signal

special protection signal

wrong road signal

driver's indication signal

end of catenary signal

lower pantograph advance warning sign

lower pantograph execution sign

lower pantograph cancellation sign

switch-off-power warning sign

switch-off-power execution signal

switch-on-power indicator board

signal fault

whistle

St. Andrew's cross

warning signal, <for staff on the track>

driving on sight

track circuit

centre-fed track circuit

double-rail track circuit

single-rail track circuit

jointless track circuit

superimposible track circuit

direct current track circuit

alternating current track circuit

capacitor fed alternating current track circuit

inductance fed alternating current track circuit

coded current track circuit

high-voltage pulsed track circuit

track relay

insulated rail

insulated section of track

insulated joint

insulating ferrule

insulating fishplate

end post

insulating side-plate

electric separation joint

rail joint bond

impedance bond

resonant impedance bond

track circuit compensating capacitors

cut section of track circuit

track circuit interrupter

train shunt

loss of shunt

drop shunt of a track

prevent shunt

shunt resistance

ballast resistance

treadle

magnetic treadle

electromechanical treadle

delayed action electromechanical treadle

electronic treadle

directional treadle

loop detection equipment

axle counter

counting point

end-of-train detector

line clear detection

track occupancy indicator

certificate of acceptance

compatibility case

factor of safety

gabarit

spot transmission

train detection

train integrity

wheel detector

blade

points, pl

facing points

trailing points

arrival points

shunting points

trailable points

non-resetting trailable points

resetting trailable points

intermediate points position

trap points

selective protective points

catch points

derailling points

derailer

point lock

independent point lock

dependent point lock

slide-chair point lock and detector

clamp lock

securing bolt

point machine

point detector

electric point detector

signal box

interlocking, <in railway signalling>

central signal box

centralized traffic control

satellite interlocking

track circuit diagram

control panel

indication panel

locking table

entrance-exit control

geographical control panel

individual switch operation

individual points control

group button

signalman

traffic controller

main route

shunt route

route setting system

route section

composite route

partial route

conflicting routes, pl

emergency route

route locking

complete route locking

sectional route releasing

manual cancellation of route

automatic route release

automatic working of a route

route-programme machine

cancellation device

emergency release

emergency replacement switch

approach locking

approach locking section

approach control

approach section

directional control

non-presetting control

presetting control

point release button

opposing locking

sequential locking

rotation locking

continuity locking

all relay interlocking

computer controlled relay interlocking

geographical circuit interlocking

free wiring

electric lock

combined electric lock and circuit controller

safety relay

break contact

make contact

change-over contact

reverse contact

normal contact

single-element relay

two-element relay

bistable relay

three-position relay

relay set

repeater relay

signal proving

signal lamp proving

signal light proving

key lock

key transmitter

speed discriminator

time release

absolute detection

continuous detection

transient detection

solid state interlocking

redundancy, <in a system>

redundancy management

self testing

divergence, <in a redundant sytem>

right-side failure

wrong-side failure

availability, <of a product>

repairable modular redundancy

processor interlocking

panel multiplexer

technician's terminal

data preparation

safe data transmission

data link, <in railway signalling>

data link module, <in railway signalling>

signal module

points module

train detection module

integrated electronic control centre

signalman's control and display system

automatic route setting equipment

timetable processor

train describer

identification entry

progression system

block system

block section

absolute block

permissive block

absolute permissive block

automatic block

partly permissive automatic block

manual block

interlocking block

telephone block

fixed block

moving block

level crossing

road warning device

road barrier

full barrier

half-barrier

half-barrier level crossing

double half-barrier level crossing

manually controlled level crossing

automatic level crossing

indication of an automatic level crossing

cycle duration

striking-in distance

barrier machine

automatic danger zone detector

automatic train protection system

automatic train control system

train speed supervision

cab signalling

acknowledge button

vigilance device

automatic warning system

automatic train stop

automatic train stop override

train stop

braking speed supervision

partial supervision

locomotive magnet

track magnet

beacon, <in signalling>

transponder, <in signalling>

active beacon

track conductor system

continuous automatic train protection transmission system

intermittent automatic train protection transmission system

release at red signal, <in an intermittent automatic train protection transmission system>

track-to-train transmission

advance warning cab signalling

service braking distance

emergency braking distance

target distance

target speed

infill information point, <in an intermittent automatic train protection transmission system>

automatic train operation

wheel revolution counter

control location, <in an automatic train operation system>

executive point, <in an automatic train operation system>

train location, <in an automatic train operation system>

zero point, <in an automatic train operation system>

radio automatic train operation

automated urban guided transport

automatic mode

driverless train operation

non-automated train operation

on-sight train operation

semi-automated train operation

unattended train operation

hot box detector

fall detector

bridge displacement detector

land-slide detector

absolute time stamp

access protection

additional data, pl

authentic message

authenticity

closed transmission system

confidentiality

corrupted message

cryptographic technique

cyclic redundancy check, <for communication in transmission systems>

data, <for communication in transmission systems> pl

implicit data, pl

data corruption

defence

delayed message

deleted message

double time stamp

error

failure, <of an item>

fault, <in a system>

feedback message

hacker

hazard analysis

information, <in a process>

inserted message

integrity, <of information>

manipulation detection code

masqueraded message

message, <in transmission systems>

message authentication code

message enciphering

message errors, pl

message integrity

message stream

non-cryptographic safety code

open transmission system

port, <for signalling and telecommunications apparatus>

random failure

redundancy check

redundant data, pl

relative time stamp

repeated message

resequenced message

safe fall-back state

safety code

safety integrity level

safety reaction

sequence number

source and destination identifier

systematic failure

threat

time stamp

timeliness

transmission code

transmission system, <in communication, signalling and processing systems>

unauthorized access

user data, pl

valid message

validity

accepting body

accident

apportionment

assessment

assessor

authorization

causal analysis

COTS software

commissioning

common cause failures, pl

compliance, <in signalling>

configuration

configuration management

consequence analysis

cross-acceptance

design

design authority

designer

diversity

failure mode

failure rate

fault detection time

fault tolerance, <in signalling>

firmware, <in signalling>

function, <of a product>

generic software

hazard log

human error

implementation

implementer

functional independence

human independence

physical independence

individual risk

logistic support

mission

mission profile

negation

negation time

product, <in signalling>

programmable logic controller

railway authority

railway infrastructure authority

railway support industry

random failure integrity

random fault

RAM programme

rolling stock operator

safe state

safety acceptance

safety approval

safety authority

safety case

safety integrity

safety life cycle

safety management

safety plan

safety process

safety regulatory authority

safety-related software

software

software maintainability

software maintenance

software safety integrity level

stress profile

system life cycle

system safety integrity level

systematic failure integrity

systematic fault, <in signalling>

technical safety report

tolerable risk

validation

validator

verification

verifier