Ramps to exit the interstate quickly.
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Ramps connecting four-lane highways and two-lane highways.
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Ramps that can be used by stop runaway vehicles on step downhills.
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Ramps that cannot be used by automobiles.
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Ramps to exit the interstate quickly.
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Ramps connecting four-lane highways and two-lane highways.
|
|
Ramps that can be used by stop runaway vehicles on step downhills.
|
|
Ramps that cannot be used by automobiles.
|
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