flagman

He was working as a flagman near Zabriskie Point, where road repairs require traffic control.

From Los Angeles Times ● Oct. 20, 2023

Smith had surged into the lead as the flagman threw the white to signify one lap to go, but it was at the exact moment an 18-truck crash behind him triggered the yellow caution light.

From Seattle Times ● Feb. 18, 2022

If the one-lane construction zone was too long for the flagmen to see each other, one handed a flag to the last driver permitted through to give to the other flagman.

From Washington Post ● Jan. 20, 2022

Once the ducks were gathered, the flock flagman led and his helpers with white flags shooed ducks into line at the back and sides.

From The Wall Street Journal ● Dec. 29, 2016

The flagman raised his arm, and Cassidy poised his finger over the button of Smith’s bell.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

Current safety guidelines rely on communications and shared information between operators, rail operations controllers and, sometimes, flagmen posted on station platforms ahead of a work zone.

From Washington Post ● Mar. 24, 2023

The current warning system is built on communication between controllers, operators and often flagmen.

From Washington Post ● Mar. 7, 2023

If the one-lane construction zone was too long for the flagmen to see each other, one handed a flag to the last driver permitted through to give to the other flagman.

From Washington Post ● Jan. 20, 2022

He ran errands for men on duty, and at times unofficially spelled the crossings flagmen while they went to their meals.

From Ralph in the Switch Tower by Chapman, Allen

Visions of damage suits and summary discharges may have drifted through their minds, for extra freights were supposed to send flagmen to the crossing to warn all traffic of the train’s approach.

From The Girl Aviators and the Phantom Airship by Burnham, Margaret