Answers inside - The shortest is in Maryland and I'll bet some lounger has
ridden on it.
Longest and Shortest 2 digit Interstate Highway
Interstate i90 from Seattle to Boston is the longest at 3100 miles.
West end: Begins at Washington State Route 519 in Seattle, WA.
East end: Ends at Massachusetts Route 1A near Logan International Airport in Boston, MA
States served: Washington, Idaho, Montana, Wyoming, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Massachusetts — a total of 13 states
Notable features: Incorporates several historic toll roads (e.g., New York State Thruway, Massachusetts Turnpike) and passes major cities like Chicago, Cleveland, Buffalo, and Albany
Interstate 97 (I 97) is only 17.62 miles and is the shortest Interstate in the USA.
Entirely within Anne Arundel County, Maryland
Runs north–south from US 50 / US 301 (John Hanson Highway) in Parole near Annapolis to I‑695 and I‑895B in Brooklyn Park near Baltimore
Serves as the primary highway between Baltimore and Annapolis, connecting the Baltimore/Washington International Airport to the state capital
Thread Replies (42)
Late Morning Trivia! [on the road again style}
-- UTPr0sim
Jun 16, 2026 at 07:49 AM ET
UTPr0sim
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06/16/26 07:49 AM ET
I don't read the replies, I just answer your trivia questions...**
-- ShortFatHokie
Jun 17, 2026 at 07:20 PM ET
ShortFatHokie
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06/17/26 07:20 PM ET
Answers inside - The shortest is in Maryland and I'll bet some lounger has
◄
-- UTPr0sim
Jun 16, 2026 at 12:08 PM ET
UTPr0sim
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06/16/26 12:08 PM ET
I think I-87 in North Carolina is shorter but it may not be fully complete
-- vt90
Jun 16, 2026 at 12:16 PM ET
vt90
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06/16/26 12:16 PM ET
Hmm I87 only shows up in New York - 333 miles.**
-- UTPr0sim
Jun 16, 2026 at 12:58 PM ET
UTPr0sim
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06/16/26 12:58 PM ET
I-30 in Texas for shortest?**
-- VT_Skier
Jun 16, 2026 at 11:32 AM ET
VT_Skier
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06/16/26 11:32 AM ET
i30 is 366 miles long so no.**
-- UTPr0sim
Jun 16, 2026 at 12:07 PM ET
UTPr0sim
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06/16/26 12:07 PM ET
Dang. I know a 3 digit one in Queens. Real short**
-- ColoVT82
Jun 16, 2026 at 10:11 AM ET
ColoVT82
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06/16/26 10:11 AM ET
Yeah the 3 digits are spurs of the 2 digit so naturally short.**
-- UTPr0sim
Jun 16, 2026 at 10:18 AM ET
UTPr0sim
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06/16/26 10:18 AM ET
3 digits (first digit odd) are spurs from interstate to something else...
-- SteveInBaltimore
Jun 16, 2026 at 12:54 PM ET
SteveInBaltimore
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06/16/26 12:54 PM ET
How about H2 in Hawaii for shortest?**
-- Spud
Jun 16, 2026 at 09:54 AM ET
Spud
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06/16/26 09:54 AM ET
I195 up here in Maryland (basically takes you to BWI from I95)?
-- `lag
Jun 16, 2026 at 09:37 AM ET
`lag
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06/16/26 09:37 AM ET
The shortest is a 2 number Interstate. Only 17 miles long!**
-- UTPr0sim
Jun 16, 2026 at 09:40 AM ET
UTPr0sim
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06/16/26 09:40 AM ET
i68 is 113 miles long so not the shortest. geography close to shortest.**
-- UTPr0sim
Jun 16, 2026 at 09:21 AM ET
UTPr0sim
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06/16/26 09:21 AM ET
9:15Hint: The shortest Ixx is in one county in one state and not in VA**
-- UTPr0sim
Jun 16, 2026 at 09:19 AM ET
UTPr0sim
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06/16/26 09:19 AM ET
I-675 in Atlanta? Or are you limiting this to two-digit numbers?**
-- Freddyburg Hokie
Jun 16, 2026 at 02:37 PM ET
Freddyburg Hokie
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06/16/26 02:37 PM ET
um:"2. Name the shortest 2 digit US Interstate Highway "**
-- UTPr0sim
Jun 16, 2026 at 02:42 PM ET
UTPr0sim
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06/16/26 02:42 PM ET
i69 is 910 miles long when including all segments. SO there....LOL**
-- UTPr0sim
Jun 16, 2026 at 08:50 AM ET
UTPr0sim
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06/16/26 08:50 AM ET
Speaking of Interstate trivia...
-- EDGEMAN
Jun 16, 2026 at 08:36 AM ET
EDGEMAN
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06/16/26 08:36 AM ET
And single digit Interstates?**
-- UTPr0sim
Jun 16, 2026 at 08:39 AM ET
UTPr0sim
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06/16/26 08:39 AM ET
Its the same, but single digits are local connectors rather than INTERSTATE**
-- UTPr0sim
Jun 16, 2026 at 09:19 AM ET
UTPr0sim
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06/16/26 09:19 AM ET
No i80 is second longest at 2900 miles. I 42 is short at 31 miles but not
-- UTPr0sim
Jun 16, 2026 at 08:39 AM ET
UTPr0sim
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06/16/26 08:39 AM ET
1. I-66 Manassas to Centreville. 2. I-66 to anywhere else.**
-- VT BronzeBacker
Jun 16, 2026 at 08:15 AM ET
VT BronzeBacker
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06/16/26 08:15 AM ET
Ding Ding Ding! i90 is 3,020 miles long Seatle to Boston
-- UTPr0sim
Jun 16, 2026 at 08:37 AM ET
UTPr0sim
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06/16/26 08:37 AM ET
no its third longest at 2,556 miles**
-- UTPr0sim
Jun 16, 2026 at 08:36 AM ET
UTPr0sim
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06/16/26 08:36 AM ET
I figured it might be near the top. I drove I40 from
-- PhotoHokieNC
Jun 16, 2026 at 08:46 AM ET
PhotoHokieNC
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06/16/26 08:46 AM ET