They have been. Mahwah PD has a new Durango and also apparently a dodge pickup and they go up the pipeline there now, either that or they hang out on the road and wait for you to come out. I used to rent a house up there, so it was literally my backyard, but recently they started cleaning the place up an developing it into housing and it's not as secluded or low-key as it used to be. Some challenging wheeling and the pipeline is no joke, all loose rocks and water holes. They'll get you if you go to where the old ford plant used to be, too. Honestly I know a lot of people who haven't been bothered, the whole mountain is a patchwork of private, state, and pipeline company property, but I've heard of people getting caught wheeling up there. Never seen it tho and when I lived there (although a few years ago) and more recently I have never been bothered. Still not advisable though. Sterling forest opens up their unmaintained roads every so often, they don't go very far at all but they're legal, and closed off some of the time.