checkpoint
access
auto
automobile
barricade
barrier
black
booth
border
boundary
car
closed
construction
control
crossing
danger
design
drive
element
entry
garage
gate
highway
icon
illustration
isolated
object
open
outline
parking
protection
road
roadblock
safety
security
service
sign
silhouette
station
stop
street
striped
symbol
traffic
transport
transportation
vehicle
warning
white