NEB&W Guide to State Line Tunnels, Canaan, NY

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Introduction

  • State Line tunnels are on the Boston & Albany RR (now CSX) line at Canaan, NY on the NY-MA border. It was built as a double- track single bore circa 1840, one of the oldest tunnels still in use. After 1900, a third track was added via a second hole. Later the double track was made single and centered in the tunnel. Today only one track remains. The tunnel is only about 600 feet long. The small holes over the portals are for rock bolts, to keep the soft rock from falling off (a 1950's photo shows a slightly different face).



  • Topographic map, c. 1959, showing the tunnels are only a mile from the NYS Thruway (Berkshire Spur). (Get off at the exit just before the Mass. border and take Rt. 22 north 1.2 miles to Tunnel Hill Road. The road goes over the tunnel, but to get to the west portal, continue up to Canaan Center to the grade crossing.)



  • C. 1900, there was only a single tunnel.



  • Due to increased traffic, a third track was needed, but apparently the rock is so soft, a second bore a little distance away from the first one was added.



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