Tried the cycle superhighways yet? One chap, known only as gaz545, has traversed the length of both CS3 and CS7 with a video camera. Here are the results, speeded up into a more watchable length. Given the widespread criticism over certain sections of the lanes, these videos constitute a handy way of gaining familiarity with the routes before attempting them.
Check out Gaz's YouTube channel for a number of annotated videos examining flaws on the cycle lanes.