Interstate Route Marker (3 digits) road sign (MUTCD M1-1_(3_digits))
MUTCD M1-1_(3_digits)

Interstate Route Marker (3 digits) Road Sign

What this sign means

An interstate shield carrying a three-digit number, marking an auxiliary interstate such as a loop or spur that serves a metropolitan area.

Sign group
M1 series Route shields
MUTCD code
M1-1_(3_digits)
View all Route marker signs

Related signs in this group

Off interstate business route marker (loop) (3 digits)Off interstate business route marker (loop) (3 digits)Off interstate business route marker (spur) (3 digits)Off interstate business route marker (spur) (3 digits)County Route MarkerCounty Route MarkerState Route Marker (3 digits)State Route Marker (3 digits)Interstate Route Marker with State (3 digits)Interstate Route Marker with State (3 digits)Interstate Route Marker with State (2 digits)Interstate Route Marker with State (2 digits)Eisenhower interstate systemEisenhower interstate systemEisenhower interstate systemEisenhower interstate systemInterstate Route Marker (2 digits)Interstate Route Marker (2 digits)Off interstate business route marker (loop) (2 digits)Off interstate business route marker (loop) (2 digits)Off interstate business route marker (spur) (2 digits)Off interstate business route marker (spur) (2 digits)US route marker (2 digits)US route marker (2 digits)

Have a question? Contact Us

Have questions about preparing for your DMV exam or need assistance with our tools? Reach out to us — we're here to help you succeed on your journey to getting your license

Contact Us

Send us a message