The CHP recommendations were: "It is not advisable to lane split when traffic flow is at 30 mph or faster" and "Travel at a speed that is no more than 10 MPH fa

The CHP recommendations were: "It is not advisable to lane split when traffic flow is at 30 mph or faster" and "Travel at a speed that is no more than 10 MPH faster than other traffic" until "Land a State Job and Become an Instant Millionaire" scumbag Ken Mandler made a complaint to the California Office of Administrative Law: http://jalopnik.com/one-man-just-made-lane-splitting-infinitely-more-danger-1608567066 http://jalopnik.com/one-man-just-made-lane-splitting-infinit... That's 40mph top speed recommendation for lane splitting. In practice I find I sometimes need to lane split at 50mph when traffic is tightly packed - drivers do not see motorcycles in their blind spots and side-view mirrors when you are riding alongside. I have had cars try to merge into me on multiple occasions when I'm taking the full lane and traveling at the speed of traffic. When lane splitting, drivers either see me coming up on them in their side-view mirror (the angle of the side-view mirror works to your and the driver's advantage when you are between lanes), or I can see them prepare to make a lane change by signalling, turning their front wheels when stopped, or just pulling out without looking (which will usually happen ahead of you and give you time to brake - drivers do a much better job of not merging into cars in their blind spots, and that's what makes it safe to travel between two cars).