Speed Enforced by Aircraft

Ever notice those signs on the road that say, "Speed Enforced by Aircraft"? The Pinewood Men have. Check it out. https://player.vimeo.com/video/300630031   Enforcement from Pete Barry on Vimeo.     Featured image by Thatsabigif [CC BY 2.5 (https://creativecommons.org/licenses/by/2.5)%5D, via Wikimedia Commons