Routes with Viaduct (image) University of Washington Share Print E-Mail Caption Researchers looked at eight routes that currently include the Alaskan Way Viaduct. Credit University of Washington Usage Restrictions With credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.