The overlooked I-5 Columbia River crossing option: An immersed tube tunnel

To Bob Ortblad, a retired civil engineer who lives in Seattle, the team behind the Interstate Bridge Replacement Program (IBRP) – the plan to expand I-5 bridge between Vancouver and Portland across the Columbia River – have it all wrong. While other advocates have proposed alternatives to the highway expansion, like congestion pricing or a … Read more


The Historic Columbia River Highway is open again for your riding pleasure

Along with an announcement today from the U.S. Forest Service (see below) that Multnomah Falls has begun a phased re-opening comes news that the last section of the Historic Columbia River Highway closed due to Covid-19 precautions is now open. The Oregon Department of Transportation has officially re-opened the Historic Highway between Bridal Veil and … Read more