DEV FROM CLRNC -- ACR TURNS THE WRONG DIRECTION ON THE TXWY AND THE ALERT CTLR CORRECT THE FLC.

Narrative

TAXIING OUT FOR TKOF ON TXWY FOXTROT FOR RWY 28L AND P INTXN TKOF. TWR CLRED US FOR TKOF ON RWY 28L. I TURNED L RATHER THEN R ONTO TXWY P WHICH LEADS TO RWY 28C. FORTUNATELY PIT TWR SAW OUR MISTAKE IMMEDIATELY AND TOLD US WE HAD TURNED THE WRONG WAY. WE STOPPED SHORT OF RWY 28C. TWR THEN CLRED US ONTO RWY 28C TO DO A TURN BACK TO RWY 28L. DEPARTED ON RWY 28L AS INSTRUCTED. PROB HAPPENED FOR 3 POSSIBLE REASONS. WE WERE FATIGUED AFTER BEING ON DUTY FOR 8 HRS WITH LITTLE TIME TO TAKE A BREAK DUE TO AVOIDING TSTMS ALL DAY. THIS WAS LEG #6 FOR THE DAY. FO AND MYSELF HAD NOT OPERATED AT PIT IN QUITE A WHILE. NIGHTTIME -- DARK. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE CAPT SAID THAT HE WAS VERY FATIGUED AFTER FLYING THE DEHAVILAND DASH 8-100 ALL DAY. HE SAID THAT THE CREW WAS NOT FAMILIAR WITH THE ARPT AS THEY NO LONGER GO THERE AS MUCH AS THEY USED TO IN THE PAST. THE FLC WAS USED TO WORKING TOGETHER HE SAID AND HE ATTRIBUTED THE ERROR TO THE THINGS MENTIONED IN HIS NARRATIVE.