Definition: used as part of the name of numbered highways Level: B1
我们在公路旅行中沿着著名的66号公路行驶。
We drove along the famous ___Route 66 on our road trip.
走5号州际公路向北可抵达西雅图。
Take ___Interstate 5 north to reach Seattle.
美国20号公路是一条非常长的公路。
US ___Route 20 is a very long highway.
