At the first glance at this issue – Whether the bicyclists should obey the driving laws as the drivers do in San Francisco –, it pops into my mind that the bicyclists are not necessary to follow the rules which for the drivers. On the other hand, the bicyclist should have their own rules to avoid the traffic jams. The core reason why I have such perspective is that the authority cannot judge the drivers and bicyclists at the equivalent situation because they have different purposes and functions. First of all, unlike the vehicles or buses, the size of bicycles is smaller. As a result, the bicycles do not occupy as much space on the roadway as the cars do. Moreover, the speed of bicycles is much slower than the cars. Every time the bicyclists
