turnstiles
Subway entry gates
Turnstiles are rotating barriers that allow one person to pass at a time, typically after paying a fare or presenting credentials.
The mechanism counts entries and controls access—common at subway stations, stadiums, and amusement parks.
She pushed through the turnstile and hurried to the platform.
Entry or confession
revolving · one-way · counting · visitor · attendee · headcount · capacity · venue
Hinged barrier in fence
- obstructionSomething blocking the way
- bottleneckConstriction limiting throughput
- restrictionLimit on action
- blockadeSealing off a place
cordon · divider · hurdle · obstacle · impediment · chokepoint · congestion · crowd control
Underground transit passage
- metroUrban rail transit
- commuterOne who travels regularly
- platformRaised flat structure
- transit authorityAgency overseeing public transportation
passengers · rapid transit · train station · fare gate · token · swipe · tap-in · ridership
Record of who's present
- tallyRecorded count
- footfallSound of walking
- trafficMovement along routes
- analyticsSystematic examination of datasets
occupancy · crowd management · click · register · meter · throughput · data · statistics
Inspection station on route
- surveillanceSystematic observation of subjects
- guardWatchful defensive attention
- monitoringOngoing observation of something
- screeningEvaluative selection process
access control · badge · identification · restricted · perimeter · verification · authentication · clearance
admission
Entry or confession
ingress · revolving · one-way · counting · visitor · attendee · headcount · capacity · venue · stadium
gate
Hinged barrier in fence
- obstructionSomething blocking the way
- bottleneckConstriction limiting throughput
- restrictionLimit on action
blockade · cordon · divider · hurdle · obstacle · impediment · chokepoint · congestion · crowd control · waist-high
subway
Underground transit passage
transit authority · passengers · rapid transit · train station · fare gate · token · swipe · tap-in · ridership · rush hour
attendance
Record of who's present
analytics · occupancy · crowd management · click · register · meter · throughput · data · statistics · volume
checkpoint
Inspection station on route
- surveillanceSystematic observation of subjects
- guardWatchful defensive attention
- monitoringOngoing observation of something
screening · access control · badge · identification · restricted · perimeter · verification · authentication · clearance · authorization
- coin-operatedvending machines, parking meters, slot machines, gumball machines, payphones
- barrierswalls, wall, fences, fence, barrier
- matchdaykickoff, stadium, fans, crowd, ticket
- stadiumfield, bleachers, box seats, end zone, dugout
- subwaytrains, stations, platforms, tunnels, tracks
- train stationstrain, track, tracks, platform, platforms
turnstilesunlocked doors
Entrances without secured fasteners
free entry · open access · breaches · open borders · welcome mats
turnstileswide doorways
Entrances with ample width
emergency exits · fire exits · emergency egress · floodgates
- turnstile jumpersPeople bypassing paid entry
- turnstile jumpingIllegally bypassing transit barriers