noun - a road sign that means vehicles are not allowed to enter a particular street or area
noun - parking a car in a space that is in line with the road and other cars
noun - a road with two separate lanes going in each direction, divided by a strip or barrier
noun - something that blocks the road and stops vehicles from passing, often used by police or during construction
noun - a gate or barrier across a road where drivers must stop to pay a toll before continuing
noun - a special police tool placed on the road to stop a car by making its tires lose air