NO INJURIES WERE REPORTED IN A WORK-ZONE CRASH INVOLVING TWO SEMI-TRUCKS AND A PICKUP LAST THURSDAY NIGHT ON INTERSTATE 80 IN DUBOIS.  THE ACCIDENT HAPPENED AT JUST BEFORE 11PM IN A WORKZONE AT MILE MARKER 99.6 IN CLEARFIELD COUNTY.  THE VEHICLES WERE TRAVELING WEST WHEN ONE OF THE SEMI’S HIT THE PICKUP TRUCK FROM BEHIND THAT STARTED A CHAIN REACTION.  ALL THREE DRIVERS WERE WEARING THEIR SEATBELTS AND DID NOT REPORT ANY INJURIES.  I-80 WAS CLOSED UNTIL THE SCENE WAS CLEARED.