AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/drive-round-railroad-warning

A round yellow sign with a black X and two Rs means what?

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  1. Road closed ahead
  2. Railroad crossing ahead
  3. Roundabout ahead

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References

  1. California Driver's Handbook, Section 7 www.dmv.ca.gov/portal/handbook/california-driver-handbook/laws-and-rules-of-the-road Checked 2026-10-09.
  2. MUTCD 11th Edition with Revision 1, Table 2A-1 mutcd.fhwa.dot.gov/pdfs/11th_Editionr1/mutcd11theditionr1hl.pdf Checked 2026-10-09.

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Cars & DrivingWhich sign is the only one shaped like an eight-sided octagon?Cars & DrivingA red and white triangle points down at you. What should you do?Cars & DrivingA sideways yellow triangle sign on the LEFT side of the road says what?

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