| Re: Bellmouths and tunnel expansions (1247322) | |||
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Re: Bellmouths and tunnel expansions |
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Posted by Mkeit on Fri Sep 13 08:21:19 2013, in response to Re: Bellmouths and tunnel expansions, posted by MainR3664 on Fri Sep 13 07:14:41 2013. The Second Ave plan in the Seventies was all cut and cover. Tunnelling technology has evoved since then to allow a dep tunnel to be built, with less surface disruption. |