1:10ish 3D printed DOT "Construction Ahead" sign display

[Zabco]

If you are in the US and want to make accurately scaled traffic control signs, cones, barriers or what not; go to

https://mutcd.fhwa.dot.gov/

and you can download the Manual on Uniform Traffic Control Devices, or MUTCD for short. This is the US standard for everything to do with traffic control. Part 6 covers all construction related signs and devices.