I'm not sure to what extent it is safe. However, I see this condition with rooftop sites all the time. I stayed in a hotel standing on the balcony, look at the wall above me and there were antennas and radios right above my head. The lowest hanging cable from the RRH I could have reached standing on the patio chair and reaching on my tippy toes. There was another that was wall mounted on the side wall of my room. That if my hand was on the wall, the antennas and radios would have been 6 inches away on the other side.
Also, in Santa Fe, New Mexico in the Eldorado Community, there is an array on a hilltop where the antennas are ground mounted. The area is owned by the HOA, it's natural area where residents hike, jog and walk their dogs. Although it's not directly on a path, you can see them and walk right up to the antenna panels. Only the Base Station Cabinets are in a fenced area. The panels and their stands just sit on the ground waiting for someone to come visit them. They could easily be vandalized. But unquestionably unsafe in my mind.
Robert