这两个句子的区别是什么?

题目

这两个句子的区别是什么?
1.All the cars,buses etc.coming and going along the road must be driven along the left side of the road.
2.All the cars,buses etc.coming and going along the road must be driven to the left side of the road.

答案

1,必须沿着路的左边开
2,必须在路的左边开