As spotted by techdirt...

https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.techdirt.com%2Fartic...

AUTOPLAY.—The use of a process that automatically plays music or videos (other than advertisements) without an express, separate prompt by the user (such as pushing a button or clicking an icon)

Take it one step further. Instead of taking pictures have the camera continuously film the intersection.
Provide a ten second excerpt (+/-5 secs, with the light showing) with every ticket.