What does a diamond shape on a highway mean?
Diamond-shaped road signs always warn of possible hazards ahead. These are traffic signs, temporary traffic control signs, and some pedestrian and bicycle signs. Pennant-shaped road signs warn drivers of no-passing zones. Round-shaped road signs are used for railroad signs.
What are three types of reserved lanes?
These are exclusive HOV lanes, concurrent flow HOV lanes and contraflow HOV lanes.
What is a lane marked with a diamond symbol?
carpool lanes
These are also known as HOV Lanes (High Occupancy Vehicles) in some states. The pavement of the carpool lanes is marked with the diamond symbol. These carpool lanes are reserved for buses and vehicles with a minimum of two or three people (including the driver).
What does T2 mean on the road?
transit lane
T2 means that the lane can only be used by vehicles with 2 or more occupants. In the case of high occupancy vehicles a transit lane will either be T2 for a minimum of two occupants per vehicle, or T3 for a minimum of 3 occupants per vehicle.
Why is it called the diamond lane?
A diamond lane is a special lane on a street or highway that is reserved for specific types of traffic. These lanes are usually marked with white diamonds or lozenge, hence their name.
What does white diamond on road mean?
Reserved lanes are marked by signs stating that the lane is reserved for special use, and often have a white diamond posted at the side of the road and/or painted on the road surface.
Why is carpool called carpool?
Car-pooling first cropped up as a policy idea in the United States in the 1940s, when oil and rubber shortages limited the use of personal cars, according to Erik Ferguson, a professor of urban planning and the author of a 1997 article called “The Rise and Fall of the American Carpool.”
What does T3 lane mean?
A transit lane is a lane reserved for vehicles with defined minimum number of occupants. For example, a T2 lane must have a driver and at least one other occupant whereas a T3 lane must have a driver and at least two other occupants. T2 and T3 lanes can usually be used by cyclists, motorcyclists and buses, too.