I had a chance to ride in the new bike lanes on Jefferson between Broadway and 19th, and they were nice. Basically, there are sharrows on the downhill portions and a bike lane for climbing uphill.
Central District News reports that the city has finished painting an uphill bike lane and downhill sharrows on Jefferson between 9th and 19th. I will head over and give it a test run sometime soon. In the meantime, from CDN: