County installs speed bumps to slow down riders on Hawthorne Bridge viaduct

Five new bike speed bumps greet riders heading onto the Hawthorne Bridge sidewalk.(Photos by J. Maus/BikePortland) Multnomah County has installed a series of speed bumps (a.k.a. rumble strips) on SE Madison Ave as it approaches the Hawthorne Bridge (westbound). The bumps are aimed at reducing bicycling speeds as riders transition from the on-street bike lane … Read more