"The Road Virus Heads North" is a short story by Stephen King. The story first appeared in 999, an anthology published in 1999 and edited by Al Sarrantonio. In 2002, it was collected in King's Everything's Eventual.
King wove the story around a painting he has at his home, which is disliked by his family. King himself is a fan of "moving picture" stories, which inspired him to write this tale.
Mulder questions his faith in the unexplained. He attempts to gather proof of the existence of the new creature he and Scully investigate before jumping to conclusions.