Maybe it was a dangerous (i.e. high-crime) area? A lot of areas can look OK but are not someplace you want to be at night especially alone. And if you're from out of town you might not know.
You'd be crossing a couple highway on-ramps which aren't the most pedestrian friendly.
...It just waited to run out until after I got home to my "safe", car-centric suburb for the summer, and decided to walk to a nearby gym. "A lot of areas can look OK," for certain.
At one point it was the intersection of 3 sketchy neighborhoods, but it's been a while.