access
area
automatic
barrier
bollard
bolts
car
cement
circle
city
close
control
controlling
danger
daytime
electric
gate
gateway
ground
grunge
grungy
hydraulic
industrial
interdiction
limited
mechanism
metal
metallic
modern
movable
movement
nobody
outdoor
parking
pavement
paving
pilomat
post
protection
road
row
safety
security
steel
street
traffic
transportation
vehicle