I have three in mind, as far as the most dangerous was the truck stop at Hunt's point, it later became a T/A then it was closed. I heard it had re-opened, however I have long since quit going to Hunt's Point, Knowing you were going to Hunt's point felt similar to the feeling you get knowing you were going to the front line in a combat zone. I knew of at least three different murders that happened there.
second the T/A just south of Atlanta on the loop, at least two murders there that I have heard of and one rape
the one I hat the worst was the one in Georgia between Columbus and Butler, I forgot the name of the town but it was an old AmBest, getting robbed or attacked was not a worry, ugly and old lot lizards were, I used to get laid over there 3 to 4 nights a month, I had a women pull in beside me with her pickup truck , yell up to me what she offered and for how much, that did not offend me as much the three tiny kids in the seat beside her staring up at me. The food was horrible, the bathroom and showers where one big nasty room there was grass growing in the shower drains
potholes that you would damage your truck in and if you were nice they would show one of two movies in the lounge, a foreign language independent film or ace ventura, not sure which one was worse
honorable mention the T/A(old 76) in Laporte, and the no longer there 76 in chicago, food was good but they would strip your truck while you where eating