Know Before You Go
It's pretty easy to miss the pull off; if you travel on Saw Mill Run Boulevard toward Mt. Washington and right before the Woodruff Street ramp leading up to Mt. Washington you will see a dome-like structure with a small pull off area. That pull off area is the official parking area for the trail. In order to find the abandoned railroad tracks: once you enter the trail by walking under the tunnel you will see a wooden structure leading up the hill resembling large stairs, climb up those and you will find the secret spot.