Interstate Highway System | Travel Quiz

2 pts

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1/1

Which U.S. interstate highway is the longest?

I-55

I-80

I-90

I-94

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Incorrect.

1/1

Which U.S. interstate highway is the longest?

I-55

I-80

I-90

I-94

How Others Answered

I-55

10%

I-80

50%

I-90

30%

I-94

10%

GeorgeColePhoto/ Shutterstock

I-55

10%

I-80

50%

I-90

30%

I-94

10%

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