How Long Is America's Longest Main Street?

The longest Main Street in America is US Route 20 in Island Park, Idaho, which is 33 miles (53 k) long. The city consist mainly of resorts and lodges along Route 20 whose owners decided to incorporate in 1947 in order to get around Idaho's liquor laws that do not allow liquor to be sold outside city limits.

More about American roads:

• In 1956, the new Federal-Aid Highway Act passed which allowed the construction of 41,000 miles of interstate highways across the nation.
• As of 2010, there are 250 million cars and trucks on American roads.
• There is a system to naming American interstate highways: north-south routes are given odd numbers and east-west routes are given even numbers.