M6-2aP (Directional Arrow - Oblique, Downward (plaque)) is an official MUTCD traffic sign designation within the route markers sign family. Standard vector graphics are published by FHWA under Standard Highway Signs.
About M6-2AP — Directional Arrow - Oblique, Downward (plaque)
M6-2aP supplies an oblique downward arrow for route guidance. Unlike a generic left- or right-turn arrow plaque, this orientation communicates a more specific direction and must be interpreted alongside the route shield or other signs in its assembly.
What to verify
Compare the proposed sign with the actual roadway branching geometry and the rest of the assembly. Verify the artwork variant and route context; similar M6-series arrows should not be substituted solely because they point broadly the same way.
For further context, read the related MUTCD guide and compare the official FHWA MUTCD. This independent reference does not replace engineering judgment or applicable state requirements.