Before revision: Nowadays, the Federal Highway Administration and the Vienna Convention on Road Signs and Signals prohibit the use of the "MEN WORKING" legend, replacing with the legend "ROAD WORK" and the symbolic roadworks sign (typically using a gender-neutral silhouette) respectively.
After revision: (since 1990)(since 1968)Nowadays, the Federal Highway Administration and the Vienna Convention on Road Signs and Signals prohibit the use of the "MEN WORKING" legend, replacing with the legend "ROAD WORK" and the symbolic roadworks sign (typically using a gender-neutral silhouette) respectively.