MUTCD Regulatory Sign: 2 Left Lanes HOV 2+ Only 1/2 Mile
Federal Highway Administration - MUTCD
Modified R3-12e from figure 2G-1 <a rel="nofollow" class="external free" href="https://mutcd.fhwa.dot.gov/pdfs/2009r1r2/mutcd2009r1r2edition.pdf">https://mutcd.fhwa.dot.gov/pdfs/2009r1r2/mutcd2009r1r2edition.pdf</a>