BREMEN, Germany (AP) - Not since those gruesome movies in driver's ed class has there been this much blood on the highway.

A truck hauling pig blood on the autobahn from the Netherlands for disposal was pulling onto the autobahn near Sittensen from a rest stop when it was rear-ended by another truck Wednesday, police spokesman Klaus-Dieter Kroll said.

Police closed a stretch of superhighway for hours after the truck spilled 9,000 gallons of pig's blood. The entire load of blood mixed with heavy rain and formed a large slick, causing another truck to crash, Kroll said.

The highway shutdown created traffic jams 13 miles long on either side.

The driver of the truck that crashed into the truck hauling the blood suffered minor injuries. Damage was estimated at $221,000, Kroll said.