Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat sheet
Trailers with low underneath clearance can present challenges when driving over:
A.  Bridges.
B.  Railroad tracks.
C.  Overpasses.
Railroad-highway crossings may be difficult to cross when pulling a trailer with a low underneath clearance. In particular, both low-slung units and single-axle tractors pulling long trailers are especially challenging to drive over raised crossings.

Pass your DMV Written Test with flying colors

Ace Your DMV Written Test
Get your Cheat Sheet Now!