The lanes run between the sidewalk and the street, are colored soft red and have their own traffic lights. Riding a bicycle lets you see everything and gives you complete freedom to stop at any point, whereas on the underground metro system you miss it all. 41, and in Kruezberg at Bergmannstr 9. It is clean and runs reliably on time. The trains stop running around midnight, which if you are going out on the town is still kind of early, but will do to get you out.
Taxis are great.
The meter starts at 5DM which takes you a good distance, but if you are crossing town is best if you are sharing the ride. Check with the AAA about obtaining an international drivers license. So if you are the first car at a red light and it turns yellow, get off that brake and start to go immediately. In California you run the light turning red, here you run the light turning green. Watch out for the red bicycle lanes which sometimes run on the sidewalk slightly out of view and sometimes on the streets.