U.S. Geological Survey Scientific Investigations Map 3027
The Interstate 5 highway (I-5) corridor, which stretches from Mexico to Canada, is both the main economic artery of the Pacific Northwest and home to the majority of Oregonians and Washingtonians. Accordingly, most regional utility and transportation systems have major components located within the I-5 corridor. For the purposes of this map, we refer to these essential systems as lifeline systems. The Pacific Northwest section of I-5, the I-5 urban corridor, extends from Eugene, Oregon, to the border of Canada. The population of this region is rapidly increasing with the bulk of growth and economic development centered in the cities of Eugene, Salem, and Portland, Oregon, and Olympia, Tacoma, Seattle, Everett, and Bellingham, Washington.
First posted June 8, 2009
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Barnett, E.A., Weaver, C.S., Meagher, K.L., Haugerud, R.A., Wang, Z., Madin, I.P., Wang, Y., Wells, R.E., Blakely, R.J., Ballantyne, D.B., and Darienzo, M., 2009, Earthquake hazards and lifelines in the Interstate 5 urban corridor--Woodburn, Oregon, to Centralia, Washington: U.S. Geological Survey Scientific Investigations Map 3027, scale 1:150,000 [https://pubs.usgs.gov/sim/3027/].