英文關鍵字
authority
business
car
check
construction
control
crane
downtown
driver
duty
enforcement
fine
guard
guest
illegal
job
license
lot
meter
notice
officer
park
parking
penalty
prohibited
properties
protecting
protection
regulation
road
safety
security
shift
site
staff
street
team
teamwork
theft
ticket
town
traffic
transportation
uniform
urban
vehicle
vehicles
walk
warning
watch
watching
work