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

As War Admiral walked to the line alongside the flagman and starter Cassidy, Woolf worked to fray the Triple Crown winner’s famously delicate nerves.

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

You observe that they have flagmen at some of the crossings, and that the trains do not stop wherever passengers want to get on, but only at certain designated points.

From The Land of the Kangaroo Adventures of Two Youths in a Journey through the Great Island Continent by Thomas Wallace Knox

First came the flagmen, one at a time, their stories agreeing well enough, and both corroborating Galliford's account.

From The King of Arcadia by Francis Lynde