The overhead clearance grew as the ground began descending ever more sharply, until he was all but sliding down an incline into the dark.

It's just that they have overhead clearance to consider, says Sondra Williams, the agency's regional director.

There was no electricity; the only light came through the open door, and there was barely enough overhead clearance for Bobby's hat.

Large truck rigs also require a much higher overhead clearance to operate.

Freight railroads could move more if track capacity were increased at key points, overhead clearances raised and key tunnels built or enlarged.

They may also be used for underpass to indicate low overhead clearance.

They must also be at least ten feet away from any building or structure overhang to allow overhead clearance.

The casemate has exceptionally low overhead clearance, resulting in a low profile above the ground.

The canal is now 14 feet (4 m) deep and has an overhead clearance of 20 feet (6 m).

A minimum overhead clearance must be maintained for safety.