[pilipo]

In the event that a motorist refuses to sign, a trooper can simply write "refuses to sign" on the citation, which is then given to the driver, or they can chose to arrest the motorist, Roden said.

End of problem.

[Atlas Sneezed]

Since the motorist’s signature on the ticket is needed only as proof that he was the individual who received it (service of process) the video, or a cop snapshot would do the trick just fine, too. (Photo radar and red light cameras show this to be true.)