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Tunnels verses daylighting
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<p>[quote user="Murphy Siding"]</p> <p><span style="font-size:medium;"> Page 73 of the January issue of <em>Trains Magazine</em> shows a Westbound BNSF Railway stack train fololwing the Flathead River through tunnel #4 in West Glacier, Montana. The tunnel appears to be as long as, say, 6 or 7 railcars. The amount of rock above the cars is perhaps 3 times the height of a loaded double stack car. The rock on the river side of the tunnel looks to be 2 to 3 times the width of the tunnel opening. Why would the builders have gone through all the work of building and maintaining a tunnel ,that looks like it could have easily been daylighteed?</span></p> <div style="clear:both;"></div> <p>[/quote]</p> <p>In addition to the technological limits of the time you also have to consider the state of the railroad busines back then. Since obviously things like Double Stack Intermodal trains, Autoracks, and Superliner passenger cars didn't exist yet and nobody fathomed of their existence they figured that as long as it provides clearance for the equipment around at the time no sense going to all the extra work. </p>
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