Originally Posted by
jackal
It's been a long while since I took the CL, but it does go through some pretty rugged terrain between Pittsburgh and Harpers Ferry. I wouldn't be surprised if there were some dead zones.
West of Pittsburgh should definitely be no problem, though.
+1
Starting at Point of Rocks, Md and from there to Cumberland, the line goes through a number of relatively short tunnels, but each time you go through a tunnel you're going to lose what signals are available including any 'regular' cell phone signals.
Once the line gets into central Pa, it runs mainly in a river valley, albeit it in a relatively isolated area.
Bob H