Do truck stops by law have to have Handicap parking for truck drivers?

Per the exception contained in (Americans with Disabilities Standards) ADAS Section 208.1, parking spaces used exclusively for trucks, busses, or other delivery vehicles are not required to be compliant with ADAS Section 208 which specifies the minimum number of accessible and van accessible parking spaces required.  Based upon this, no truck, bus, or other delivery vehicle accessible spaces are required to be provided PROVIDING THAT a passenger loading zone is provided in accordance with ADAS Section 503.