What is the longest interstate in the United States?

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

What is the second longest interstate in the United States?

I-80. The second-longest highway within the interstate system, I-80 is 2,899 miles long. It starts in Teaneck, New Jersey and ends in San Francisco.

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 longest interstates in the US?

7 of the Longest U.S. Interstates

  • 1 I-90: Seattle to Boston, 3,085 miles. …
  • 2 I-80: San Francisco to Teaneck, New Jersey, 2,906 miles. …
  • 3 I-40: Barstow, California, to Wilmington, North Carolina, 2,554 miles. …
  • 4 I-10: Los Angeles to Jacksonville, 2,459 miles. …
  • 5 I-70: Cove Fort, Utah, to Baltimore, 2,175 miles. …
  • 6 I-95: Miami to Houlton, Maine, 1,892 miles.
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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.

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 straightest road in America?

The straightest road in North America

North Dakota claims its Highway 46 is the longest straight road in the US and Canada. Slight bends aside, the motorway boasts a 31-mile dead straight stretch from Gackle to Beaver Greek.

What is the most traveled highway in America?

I-95 at SR 4

When it comes to congestion, Fort Lee takes the top prize for having the busiest highway in the USA. The average speed on the highway is just 29 miles per hour, which is the second slowest on our list. Overall though, this is the most congested stretch of highway in America, avoid it at all costs.

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.

Is Route 20 the longest road in America?

In 1963, therefore, U.S. 20 became the longest road in the country. U.S. 20 is 3,365 miles long according to the 1989 log. The route begins in Boston at a junction with Massachusetts Route 2 and ends in Newport, Oregon, at a junction with U.S. 101.

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What is the longest state to drive through?

First answer is : The longest drive in a straight line is in Alaska, 1099 miles. Alaska is the longest of all the states in the United States. Alaska is 1,400 miles long, 2,700 miles wide and has more than 33,904 miles of shoreline. Alaska is followed closely by 1,060 miles in California.

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.

Why is there no Interstate 50 or 60?

Where the two systems, the routes and the Interstates, meet in the middle of the country it was decided that there would be no Interstate 50 to avoid confusion with U.S. Route 50 which runs from Sacramento, CA to Ocean City, MD. This is the same for Interstate 60.

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 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.

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What is the difference between an interstate and a highway?

A highway is a road with few stops and high speed limits. A freeway is a highway that doesn’t have a toll. An interstate is a highway that is part of the federal interstate system. … An interstate is a freeway with tolls, and typically goes between states (hence the “inter”).

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