What scares the hell out of me more than anything? I think it's strange things on deserted roads at night. Allow me to explain...
1) First there was that scene in Halloween where Dr. Loomis and a nurse are driving on a rainy night to the mental institution where Michael Myers is supposed to be residing. Suddenly, Loomis notices figures wandering around in the dark - mental patients in their gowns illuminated only by their headlights. It was a scene that stuck with me as a kid.
2) Then there's the scene in Friday the 13th (I can't remember if it was part I or II) where the sheriff is traveling along a road through the woods. For a split second you see Jason Voorhees emerge from the darkness and cross the road in front of him. It's brief but it's chilling. I've talked to a number of people about the movie, and I am not alone in finding this scene particularly horrifying.
3) And finally, there was my Driver's Ed film back in school. For the purpose of demonstrating why you should never drive overly tired, the grainy crackling film showed a driver weaving half-asleep down a lonely country road in the middle of the night. Suddenly, a clown appears and does a cartwheel across the road in front of him! Of course, it's supposed to be a hallucination brought on by lack of sleep, but it creeped me out big time. Twenty or so years later and here I am writing about it!
[Related Posts: Things that scare the hell out of me Part 1 and Part 2]