AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/drive-advisory-speed-plaque

Under a yellow curve warning sign, a small yellow sign says 25 MPH. What is it?

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  1. The new speed limit
  2. A minimum speed
  3. The recommended speed for the curve

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References

  1. MUTCD 11th Edition with Revision 1, Section 2C.59 mutcd.fhwa.dot.gov/pdfs/11th_Editionr1/mutcd11theditionr1hl.pdf Checked 2026-10-09.
  2. MUTCD 11th Edition with Revision 1, Section 6H.32 mutcd.fhwa.dot.gov/pdfs/11th_Editionr1/mutcd11theditionr1hl.pdf Checked 2026-10-09.

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