AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/drive-hov-diamond

A white diamond painted in a highway lane marks what kind of lane?

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  1. A carpool or HOV lane
  2. A truck-only lane
  3. A lane that ends soon

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References

  1. California Driver's Handbook, Section 6 www.dmv.ca.gov/portal/handbook/california-driver-handbook/navigating-the-roads Checked 2026-10-09.
  2. MUTCD 11th Edition with Revision 1, Section 3E.03 mutcd.fhwa.dot.gov/pdfs/11th_Editionr1/mutcd11theditionr1hl.pdf Checked 2026-10-09.

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