1.  Because many diesel trucks travel across state lines and are registered outside Arizona, they are harder to regulate than gasoline-powered vehicles.

2.  He was born in a small town just across the state line.

3.  We crossed the state line into Missouri.

4.  ...the California state line.

5.  He is said to have thrown off pursuers by pedaling across the Wisconsin state line.

6.  This would free them to transact business across state lines.

7.  After three hours on the road, they finally crossed the state line.

8.  The prisoner was extradited across state lines.

9.  The accident happened just across the state line.

10.  Already, the federal government has ordered companies to open their wires to competing power suppliers so they can transmit low-cost electricity across state lines.