It was never legal to go wheeling up in Mahwah, It's just that the cops dont care that you do unless you start acting like an idiot up there. Unless you bother the residents that live up there the Mahwah PD has better things to do than harass a bunch of people out to have a good time. That being said, the State and County agencies that do go up there on occasion to conduct drills will slap you with a fine if you happen to run into them. I go up there pretty frequently and have from time to time run accross law enforcement only twice but was able to get out of it with little more than a warning each time due to my involvement with EMS and Search and Rescue...