Highlight tool shows dashed lines for city highlight when the city is in the alternate name of the segment. I deleted the alternate name from that ramp and the dashed highlight goes away.
However, we can't edit the state field of the alternate name. I assume that this is inherited from the state field that we can edit.
I suspect that happened because the alternate name was added when the state field was set to MD. The alternate name inherited MD as the state. When the state field was corrected to VA the change probably didn't propagate down to the alternate name. Then we get this situation. Pure speculation on my part but plausible.