Have monitored brief intermittent radio traffic of SP cruisers assigned to escort detail for Det Campbell's funeral motorcade from the Bangor area to Portland in preparation for Tuesdays funeral. Lead cruiser announcing to dispatch that the motorcade is leaving / entering Zones 3 to 2 to 1 this afternoon...they entered Zone 1 at 4:15 PM en-route to Portland on MSCommNet Zone 1A (All). Augusta RCC announced on the Zone as these transitions occurred during the trip. Not a pleasant day on the highway given the inclement weather. God speed.