13FT 8IN FW height with second AC
Checking the brochure for a 2018 Keystone Avalanche 321RS, lists the height as 13 ft 2 in, and states to add 6 inches for the second AC. That puts the height at 13 ft 8 in. US Federal regulations ...
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Get a Rand McNally Motorman's Atlas. It provides all low clearance overpasses on all Primary and Secondary roads in the US and Canada.
