Maybe the reason why these STARs still have the traffic incidents/traffic flow narration is because of the fact that the traffic overview map isn't available for those locations.
That's exactly the reason. Locations with overview maps only get overview narration. Headends without the overview map get narration for the traffic flow and incident pages.
well i thought the overview maps were pulled for maintenance, have some ISTARs gotten them back?
They were pulled out of the majority of markets because the maps didn't have enough digital data, making them less accurate. They only remained in major markets - NYC, DC, LA, MSP, DFW, San Francisco/Oakland, Chicago, Atlanta, Pittsburgh, Houston, Boston, Seattle, Tampa, Philadelphia, and a few others.
Some of the markets where the maps were removed include - San Antonio, Miami, Orlando, Raleigh/Durham, Charlotte, Nashville, Providence RI, Richmond VA, Hartford CT, Salt Lake City, Sacramento, Louisville, etc.