Phase 3 Design Update – West Portal to Yoho Bridge April 15, 2008 Tunnels will require lighting, ventilation and safety monitoring. This long tunnel concept contains driving lanes 3.7 metres wide, vertical clearance o - Portal Bridge - Document - PDFSEARCH.IO

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Date: 2008-04-16 13:01:44		Phase 3 Design Update – West Portal to Yoho Bridge April 15, 2008 Tunnels will require lighting, ventilation and safety monitoring. This long tunnel concept contains driving lanes 3.7 metres wide, vertical clearance o Add to Reading List Source URL: www.th.gov.bc.ca Download Document from Source Website File Size: 263,63 KB Share Document on Facebook