Clinched Highways
Arizona


Arkansas


California
(sort of)

Colorado


Connecticut


District of Columbia


Georgia


Florida


Illinois
 


Indiana
(<1 mi)

Iowa

  (<1 mi)

Kansas
(historic route)

Kentucky
(<1 mi)

Maryland
(+ spur)

Michigan


Minnesota
      

Missouri
 
(<1 mi) (<1 mi)

Nebraska


Nevada


New Hampshire


New Jersey


New Mexico


New York


North Dakota
(secret)

Ohio


Oklahoma
(secret)

Oregon


Pennsylvania


Rhode Island


South Carolina


South Dakota


Tennessee


Texas
(secret)

Virginia


West Virginia


Wisconsin


Wyoming


Completely clinched 2-digit interstates and all US routes
 

(4 miles short on I-27)

Iowa highways
<15 miles

Iowa highways
15-30 miles

Iowa highways
30-60 miles
Iowa highways
60-90 miles
Iowa highways
>90 miles

To Iowa Highway Ends Annex

To Iowa Highway Ends Index