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Route decoder
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M
What does M mean on an oversize permit?
Michigan highway.
A Michigan state trunkline: M-50 is Michigan Highway 50.
Decode a whole route line
More codes
I · Interstate
IH · Interstate Highway
US · US Highway
SR · State Route
SH · State Highway
FM · Farm to Market Road
RM · Ranch to Market Road
SL · State Loop
LOOP · Loop
BL · Business Loop
BUS · Business route
SPUR · Spur
CR · County Road
TH · Trunk Highway
K · Kansas highway
ROUTE · Route
S · Secondary highway
TR · Traffic Route
TPK · Turnpike
PKWY · Parkway
