Staying Centered in a Lane. You need to keep your vehicle centered in the lane to keep safe clearance on either side. If your vehicle is wide, you have little room to spare. Traveling Next to Others. There are two dangers in traveling alongside other vehicles Another driver may change lanes suddenly and turn into you. You maybe trapped when you need to change lanes. Find an open spot where you aren't near other traffic. When traffic is heavy, it maybe hard to find an open spot. If you must travel near other vehicles, try to keep as much space as possible between you and them. Also, drop back or pull forward so that you are sure the other driver can see you.