DescriptionMUTCD W3-3a.svg English: Signal ahead. Date 25 September 2006 Source English: Manual on Uniform Traffic Control Devices Author English: Federal...
DescriptionMUTCD-PR W3-3a.svg English: Signal ahead. Español: Semáforo adelante. Date 11 January 2024 Source English: Labeling Manual for Public Highways...
DescriptionW3-3a-TEA - Active Barrier.svg English: A sign warning drivers that they are approaching an active vehicle barrier for denying access to rouge...
DescriptionW3-3a-TEA - Active Barrier When Flashing.svg English: A sign warning drivers that they are approaching an active vehicle barrier for denying...
