There is a paid campground in the area which is $10 and offers vault toilets and nice sites.

If you drive past that there are parking and picnic areas along the road that have “no camping” signs. We set up a tent at one of the picnic areas and nobody bothered us. Cars did drive by and it was not as secluded as we like but I would not call it a busy road. We were also there on a week day not sure if it’s busier during weekend.

I would suggest arriving during the day if you want to camp for free.