flagman

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

From Los Angeles Times ● Oct. 20, 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

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

After adjusting the cap pistol strapped to his hip, he took a whirling cut that brought to mind a finish-line flagman or a revolving lawn sprinkler.

From Golf Digest ● Sep. 25, 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

No matter how late a train is, when an engine sees the tail-lights of her caboose ahead of her she stops and sends out flagmen.

From Bransford of Rainbow Range Originally Published under the title of Bransford in Arcadia, or, The Little Eohippus by Eugene Manlove Rhodes

Of these about one-fourth are switchmen and flagmen, one-fourth enginemen, one-fifth brakemen, one-sixth conductors, and one-eighth firemen.

From Wage Earning and Education by Rufus Rolla Lutz