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To accomodate so-called high-occupancy-vehicles (2 or more passengers). The more people travelling in one car the fewer the cars on the congested roads.
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Can motorcyclists use carpool lanes?
This depends on the state, or on local ordinances. Here in California, yes, motorcycles can use the carpool lanes.
Why do carpool lanes exist on on-ramps?
In Washington state, the carpool lanes on on-ramps allow cars with the correct number of occupants to bypass ramp meters (the signals on some on-ramps).
Did carpool lanes in California used to be 3 passenger minimum?
Yes
Can RVs drive in carpool lanes?
No Trailers in carpool lines in Cal , Towing in right lanes only. The DMV Hanbook states:"Vehicles towing trailers are typically not allowed to use carpool lanes, because they must drive more slowly and are usually restricted to the right-hand lane." typically...go figure, it probably depends on the officers mood.
What do carpool lanes do?
A carpool lane allows people who have more than 2 people in the car to be able to use that lane to go through traffic easier.
What are diamond lanes known for?
Those are High Occupancy Vehicle (HOV) lanes. To some, they may be known as carpool lanes. To those who've been caught driving by themselves in those lanes, they may be known as "high dollar" lanes.
What are the rules for driving in the diamond lane in California?
A carpool lane is a special freeway lane only for buses and/or carpools. You may use a carpool lane or onramp if your vehicle carries the minimum number of people required for the carpool lane or you drive a low-emission vehicle displaying a special DMV-issued decal. Motorcycle riders may use designated carpool lanes, unless otherwise posted. Signs at the onramp or along the freeway tell you the minimum number of people required for the carpool and the hours the carpool requirement applies. The pavement in this lane is marked with a diamond symbol (◊) and the words "Carpool Lane." These lanes are also known as high-occupancy vehicle (HOV) lanes. Do not cross over double parallel solid lines to enter or exit any carpool lane except at designated entry or exit places. Vehicles towing trailers are typically not allowed to use carpool lanes because they must drive more slowly and are usually restricted to the right-hand lane.
Do carpool lanes reduce fuel consumption?
They do, for a variety of reasons. There tends to be less stopping and starting in the carpool lane. Also, commuters sharing rides reduces fuel consumption.
Can you change lanes out of a carpool lane?
Yes, at intervals there are crossover points either in the barrier walls (if so equipped) or in the lines that sperate the traffic flows.
What are ways of managing traffic?
Roads should be widened, and traffic lights should be in full working order at all times. Carpool lanes can also ease the flow of traffic.
What is white line on carpool lane for?
Section 21460 Double Lines The purpose of the solid-white single line on the inside of the double yellow lines on buffered HOV lanes is to permit vehicles to legally drive to the left of the double yellow lines as defined in the provisions of this section.
What cars are allowed in a diamond lane?
The Diamond Lane is the carpool lane in California. The cars that are allowed in these lanes are White Clean Air and Green Clean Air vehicle sticker cars.
