Last week marked the beginning of an important project that must be completed before the Alaskan Way Viaduct can be removed.Crews working for Kiewit Infrastructure West Co. have begun the traffic signal, striping and roadway signage work required to switch traffic on Alaskan Way from beneath the viaduct to just west of the viaduct.
UPDATED 12 September 2009 Preface. When I was a boy, oddities fascinated me, particularly if they appeared to make no sense. Historical oddities or anomalous news stories especially attracted my interest, lingering in my mind for years to come.
A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
RETC is proud to present more than 21 technical sessions featuring the leading practitioners in the tunneling industry from across the U.S. The primary focus of the technical program is to add value to the industry through examination of the most innovative practices and products currently in use.