Do you know how tough in degrees is the curvature over the shoe flyed tunnel? Looks like it can also be daylighted and get a cosmetic cut and cover type of operation.

What type of equipment is restricted from this curve?

David Dewey Wrote:
-------------------------------------------------------
> As I understand it, the way to re-establish the
> tunnel is to do a "cut & cover" operation. There
> is no way to "go around" the location, it is
> actually a very short tunnel.
> I believe re-establishing the tunnel will actually
> stabilize the area by eliminating the possibly
> collapsing tunnel and providing engineered fill
> around it instead of just dirt dumped in a hole as
> was done back in the day.
> As I recall, the main concern was the vibrations
> caused by the train running through the tunnel,
> but as it is now, the train comes pretty close to
> the tunnel anyways, so it's probably already
> "vibrating the earth" in the area.
> The other tunnel that really needs stabilizing and
> reopening is the one with the shoe-fly around it;
> those curves are limiting what can go up the
> tracks.