I used a 5'' pvc fence post, 7' long, anchored a cap on curb side and hinged a cap on the street side and latched with a large cotter pin with a chain. Then just screwed it up to the frame rails with self tapping screws
Do a search for 'Wayne County Fair Grounds' in Belleville Mi.We stayed/camped there in 2008. There were several campers, was decent, felt safe and was close to the Museum. We would stay there again.Have fun and be safe. Henry Fords and the Village ...