Regardless of the posted speed limit, if you are driving slower than other traffic, you must stay in the right-hand lane or as close to the right curb as possible. Exceptions: You may move out of the right lane if you are: Overtaking and passing another vehicle.
This law mandates that any vehicle traveling slower than the "normal speed of traffic" must stay in the right-hand lane. 21654.rar
Authorities (Caltrans or local) may place signs specifically directing slow traffic to use the right lane. Other Possible References Regardless of the posted speed limit, if you
A security vulnerability in rubygems involving an improper authentication issue that could allow an account takeover through the password reset function. Regardless of the posted speed limit