I don't know, but I was out railfanning the Dubuque, Davenport, and St. Louis railroad this afternoon, and took these photos:[attachment=3961][attachment=3960] [attachment=3959]

SHOULDN'T SOMEONE CALL HOMELAND SECURITY???

Probably just a foamer. No reason to be alarmed.

Welllll, he'd better darn well be an employee or have some special permission if he's on the signal bridge!
Ralph

Maybe he's a BASE jumper and doesn't want to get too far up on his first attempt.

Tom