Sawmill River Parkway, NY
Need some local knowledge. What are the bridge clearances? A good hunt online has not yielded anythng specific to that road.
Forum Discussion
On the Garden State Parkway in northern New Jersey an RV is permitted but watch some of the arched bridges in the area around where it crosses the NJ Turnpike. Driving lanes are OK but if you decide to try and sneak under on the right hand shoulder you could have a problem.
