From Chavez Ravine north to Pasadena it can be quite dangerous because there is no shoulder, the lanes are narrow, the turns are sharp (not always properly banked), and the ramps are quite short and offer little room for acceleration to freeway speed; all of this is because the freeway was designed for much slower cars and much less traffic volume than exists today.date=November 2007 Commercial vehicles over 6000 pounds are prohibited from using this freeway.