If you continue walking along that path you get here:
The trolly right of way goes through that smaller tunnel to the left. When you get a bit closer you'll see those steps at the left:
They go up to the surface and come out at the parking lot for Dickinson HS. I took this shot standing at the top of those steps looking into the parking lot:
That's Palisades Ave. behind the fence at the right. And this is a view into the trolly tunnel:
Here we've gone through that tunnel and are looking down into the arches, back toward the direction we came from:
Here we are down in the arches. We've gone through the large arch and are looking up at the smaller one, the one for the trolly line:
Note: These photographs are over a decade old. Things have changed a bit since then, but only a bit. The basic layout remains the same.
Bonus: Truck going through the arches in May 2010:
