This is one of my Std routes on my Daily Commute to Beaverton. I start at 39th & Killingsworth and will sometimes take 37th to Stanton, to 28th to Halsey and Halsey to 21st. That cuts out alot of lights, but would mean biking west to 37th for you.
SEE:
http://www.gmap-pedometer.com/?r=1430425