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

“In the beginning,” said Denzel Matthys, the flock flagman, “they’d run inside the garden and destroy all the vegetables.”

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

Now and then an excited tooting of whistles gave warning of a bigger blast as the flagmen checked the flow of traffic, indicating with arms upraised that the ground was "coming up."

From The Ne'er-Do-Well by Rex Ellingwood Beach

For this purpose flagmen shall have for day signals not less than two torpedoes and a red flag.

From Railroad Accidents Their Cause and Prevention by R. C. Richards