yeah its pretty neat...at the west end the city added some type of drainage into the tunnel. there is about a 2 foot culvert pipe on the northside of tunnel. Where that pipe comes in is where the fill ends and the tunnel begins. I was on a website and had to laugh...but a certain person said that the tunnel was narrowed down from a two track tunnel and he even quoted that with a picture. But us true oswegonians know that the DL&W was always narrow< and I mean narrow. The RW&O tunnel on east side was wide and had dual track and a switch inside. The unfortunate thing is that the tunnel is falling in some spots. As stated in my first post I think the reason for concrete on one end was for the support of increased traffic on Utica Street. Also even though we dont have any, but a good vibration of the earth could knock that old tunnel in as well as the Oswego & Syracuse Freight House cause the tunnel is directly underneath it. In fact little do people know that there is a manhole that goes right into it... Ok so long for now