What are some devices used for temporary work zone situations texas?

Here are some devices used for temporary work zone situations: range and black signs, cones, drums, barricades, arrow panels, pavement markings, and flag's
These devices are used to alert the people near you that a project is in progress so we could avoid any potential accidents in the work zone.

What was the length to begin with?

The correct answer is: their civil liberties have been protected, but their civil rights are less clear apex. hope this .