This road runs through a tunnel. There are two red traffic signals hanging over the road. Since there is only one tunnel, it seems likely that traffic runs in both directions through the tunnel; and, the signal prevents car from colliding within the tunnel.Galleries:Allegheny Portage Railroad, TunnelsKeywords:allegheny portage railroad, gallitzin, pennsylvania, road, traffic signal, tunnelPhoto Location: Allegheny Portage Railroad National Historic Site, PennsylvaniaPhotographer: Dr. Roy WinkelmanDate of Photo: 11/25/2011Device Make: CanonDevice Model: Canon EOS 5D Mark IIOriginal Dimensions: 5464×3744Picture Orientation: LandscapeGPS Coordinates: 40°28'53.80"N 78°33'07.03"WPicture Number: 15898
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