Originally Posted by
jamawani
I am looking forward to the day -
when they close I-495 for 6 months -
to build a bike trail.
Not sure how that's relevant. I know they've shut down at least one interstate (I-40 in NC east of the TN line) because landslides blocked the road, and then closed off one lane for 8 months or so to get the rest of the mountainside stabilized. They needed the other lane for equpment; the section of the GAP north of the tunnel doesn't look like there's room for earth moving equipment, and no margin for error if cyclists happened to be downhill if another slide came down.