Template:MUTCD Interstate
Related MUTCD sign codes and signs:
- M1-1 identifies Interstate Highway shields
- M1-2 identifies Interstate Business Loop shields
- M1-3 identifies Interstate Business Spur shields
- M1-4 identifies U.S. Route shields
- M1-5 identifies State Route shields
- M1-6 identifies County Road shields
- M1-7 identifies Forest Route shields
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