access
attention
barrier
block
bonus
boundary
circles
closed
construction
danger
entrance
entry
equipment
flat
forbidden
garage
gate
graduation
graph
highway
icons
interdiction
layers
line
maintenance
object
obstacle
operator
outlines
parking
permission
photo
protection
repair
resize
road
roadblock
round
safety
security
signal
statistics
stop
street
striped
traffic
transportation
urban
warning