U.S. Route 18
[de] U.S. Highway 18
[fr] U.S. Route 18
[it] U.S. Route 18
[nl] U.S. Route 18
[pt] U.S. Route 18
[simple] U.S. Route 18
[sv] U.S. Route 18
[th] ทางหลวงสหรัฐหมายเลข 18
[zh] 18号美国国道