| Clue | Answer | % Correct |
|---|---|---|
| The longest Interstate highway | 90 | 96%
|
| The only mainline interstate in ME, RI, and DE | 95 | 82%
|
| Runs for over 800 miles in Texas alone | 10 | 78%
|
| Ends at both Canada and Mexico (as of now) | 5 | 78%
|
| The only mainline interstate in Nebraska | 80 | 76%
|
| Runs from near New Orleans to Chicago | 55 | 71%
|
| Follows the eastern edge of the Rocky Mountains | 25 | 66%
|
| Follows the Appalachian Mountains from NY to TN | 81 | 60%
|
| The only east-west interstate to end at a foreign country | 94 | 55%
|
| Has numerous short segments from Michigan to Texas | 69 | 54%
|
| Splits into east and west routes twice | 35 | 52%
|
| Goes through Great Smoky Mountains National Park | 40 | 52%
|
| The newest interstate | 14 | 45%
|
| The shortest mainline Interstate highway | 97 | 40%
|
| The longest intrastate interstate | 45 | 38%
|
| Follows the Connecticut River | 91 | 38%
|
| Has an exit for Zzyzx Rd | 15 | 30%
|
| Is multiplexed with the same number US route for its entire length | 41 | 17%
|
| Is in one state but has three different sets of exit numbers | 87 | 13%
|
| Lent its name to a Modest Mouse song | 8 | 9%
|