» Road Signs » On some interstate roads, diamond signs in the median indicate that:

On some interstate roads, diamond signs in the median indicate that:

There is a warning sign ahead.
There is a railroad crossing ahead.
Passing is not allowed.
The left lane is reserved for car pool vehicles.
Explanation

A diamond sign in the median of an interstate road means that the left lane is reserved for car pool vehicles, buses, other high occupancy vehicles. Road signs show the minimum number of passengers a vehicle must carry. Drivers may not enter High Occupancy Vehicles (HOV) lanes unless their vehicles meet the requirements shown on the sign.

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