Yes, but static-image dwell time rules still apply. The state of Massachusetts has allowed the installation of digital billboards under regulations introduced in 2012. However, for safety reasons, digital signs (including billboards) located near highways and high-traffic areas cannot display full-motion videos. You’ll typically find full-motion video more commonly available on transit and street-furniture screens, and place-based office and lobby displays, than on freeway-facing bulletins.
