Which US interstate highway is the longest?

Interstate 90 (I-90) runs from Boston, Massachusetts, to Seattle, Washington. The highway is 4,860.2km-long, ranking as the ninth longest highway in the world and the longest Interstate Highway in the US. The highway runs parallel to the US Route 20 for the most part and passing through 13 states.

What is the longest interstate highway in the United States?

I-90: 3,020.44 miles

Interstate 90, America’s longest Interstate Highway, spans from Boston, Massachusetts, to Seattle, Washington.

What are the 5 longest highways in the USA?

  • US-1: 2,593 miles. …
  • US-2: 2,643 miles. …
  • I-80: 2,899.59 miles. …
  • US-50: 3,007 miles. …
  • I-90: 3,020.44 miles. …
  • US-30: 3,073 miles. A sign for US Route 30 in Pennsylvania. …
  • US-6: 3,227 miles. A sign for US Route 6 in Provincetown, Massachusetts. …
  • US-20: 3,365 miles. A sign for US 20 in Boston, Massachusetts.

What are the 4 states not served by an interstate?

The four state capitals not served by the interstate highway system are: Juneau, AK; Dover, DE; Jefferson City, MO; and Pierre, SD.

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What is the shortest interstate in the United States?

1.06 miles – I-375, Michigan. The nation’s (current) shortest signed interstate.

Why is Interstate 4 so dangerous?

Reasons for I-4 accidents

The leading reason for so many of the accidents on I-4 is congestion, which can be attributed to two main factors: ongoing construction and a growing population. There have always been simply too many vehicles traveling I-4, whether or not construction is happening.

What is the longest state to drive through?

So what is the longest point-to-point drive within one state? Well, that’s not too hard. Using the Dalton Highway/North Slope Haul road in Alaska, the answer is…. 1,099 miles.

What is the longest road in the world?

Spanning some 19,000 miles, the Pan-American Highway is the longest roadway in the world. Starting in Prudhoe Bay, Alaska, the road moves south, passing through Canada, the United States, Mexico, and Central America.

Why is Route 66 famous?

US Highway 66, popularly known as “Route 66,” is significant as the nation’s first all-weather highway linking Chicago to Los Angeles. … Route 66 reduced the distance between Chicago and Los Angeles by more than 200 miles, which made Route 66 popular among thousands of motorists who drove west in subsequent decades.

How many Route 66 are left?

U.S. Route 66: The Road

Watch out for Burros near Oatman Arizona. Perla Eichenblat. Nowadays, over 85% of the original alignments of U.S. Route 66 are still drivable.

What is the least traveled interstate?

Alaska State Route 11, also known as the James W. Dalton Highway, is the least traveled road in the United States.

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What is the steepest interstate grade in us?

I-84 in Northeast Oregon (Emigrant Hill, just east of Pendleton) is one of the most magnificent stretches of 6% grade in the US. Multiple lane, multiple emergency truck escapes (westbound), is a great example of steep freeway construction in the U.S. Totally rebuilt in the 90’s, this is Interstate freeway at its best.

What is the most traveled interstate?

According to the U.S. Department of Transportation’s Federal Highway Administration (FHWA), traffic data from 2011 showed the 405 Freeway — from Interstate 5 down to Long Beach — serves an estimated 379,000 vehicles per day, making it the busiest interstate in America.

What state has no speed limits?

As a result of its cowboy-esque lack of convention, the law was struck down, and in its place, Montana’s state legislature set the speed limit at 75 mph. In one last push toward hope, Montana increased its highway speed limit to 80 mph in 2015. It ain’t much, but it’s something.

What interstate goes through the most states?

Interstate 95: Miami to Houlton, Maine

I-95 may not be the longest interstate, but it covers the most states in the country, spanning 1,920 miles through 15 states plus the District of Columbia. This massive road takes you from the sunny shores of Miami to the cooler town of Houlton in Maine on the US-Canada border.

What state has the best roads?

Key Findings: Aging roadways cost drivers an average of $556 a year in repairs, and in some states, it’s nearly $1,000. Rhode Island, Mississippi and West Virginia have the worst roads and bridges in the U.S. Idaho, North Dakota and Wyoming have the best roads and bridges.

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