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Left Lane for Passing Only
Most states designate the left lane of multilane streets and highways as passing lanes, which means that drivers traveling in right lanes who want to pass those in front of them may temporarily move into the left lane and then speed up enough to pass. However, there tends to be wide variance when it comes to whether drivers may remain in the left lane after passing or must move back into the right lane. States that require drivers to move back into the right lanes after passing have "keep right" laws. Some states with keep right laws are Colorado, Illinois and Oklahoma.
Left Lane for Traveling
While most states allow passing in the left lane, not all states allow drivers to use left lanes when not passing other cars, unless turning left. However, in many states, drivers are allowed to use the left lane for traveling. These include West Virginia and Pennsylvania.
Blocking Traffic
Drivers need to be aware that states that allow the left lane for traveling may have special rules for the use of these lanes. For instance, some state, including California and Missouri, may require that drivers traveling on the left lane maintain the "flow" of other cars traveling in left lanes, regardless of whether the those cars are within the speed limit. Some states including Alaska and Georgia, mandate that slower-moving vehicles should move into right lanes. More states are cracking down on what Christopher Solomon refers to as "left-lane campers" in an MSN article titled, "Left-lane slowpokes drive you crazy?" According to him, this is an effort to keep road rage under control and keep traffic moving. Additionally, some states that have laws addressing slow drivers in the left lane are enforcing such laws for the first time, according to Solomon .
这是美国的情况,也看不懂,自己琢磨吧。:confused: |
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