B757-200 CAPTAIN REPORTS THAT TXWYS AN AND M DO NOT MEET AS SHOWN ON THE GOVT ARPT PAGE.

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PRIOR TO LNDG ON RWY 25L; WE BRIEFED THE TXWYS AND EXPECTED TAXI RTE. THE TAXI CHART INDICATES THAT IT IS POSSIBLE TO TAXI CLR ON TXWY AN; THEN TAXI ONTO TXWY M TO CROSS RWY 25R. THAT IS THE CLRNC WE RECEIVED. BUT WHEN WE CLRED ON TXWY AN THE TXWYS DID NOT LINE UP WELL AND THE LINES INDICATED THAT IT WOULD BE VERY DIFFICULT TO TAXI ONTO TXWY M. WE EXPRESSED THIS TO GND SO HE TOLD US TO TURN L ONTO TXWY AC. I HAVE SINCE CALLED ATC ON THE PHONE AND ASKED ABOUT THE CONFUSION. I WAS TOLD THAT THE CLRNC SHOULD NOT HAVE BEEN GIVEN TO TAXI ONTO TXWY M FROM TXWY AN AND THAT THE INTENT OF THE NEW TXWYS IS TO HAVE TFC TURN L ONTO TXWY AC. IT MIGHT BE HELPFUL TO HAVE A NOTAM PUBLISHED WITH THIS INFO. WHILE THE CONFUSION MIGHT BE LESS DURING THE DAY; AT NIGHT I FOUND THE SITUATION VERY PROBLEMATIC. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: REPORTER ADVISED THAT THE CENTER PARALLEL TXWY AC AND ITS CONNECTING TXWYS TO 25L AND R WAS NEWLY OPENED AT THE TIME OF THE INCIDENT. HE STATED THEY HAD BEEN ISSUED A SPECIAL AIRPORT PAGE TO SUPPLEMENT THE COMMERCIAL AIRPORT PAGE THAT SHOWS NO TXWYS IN THE AREA OF THE INCIDENT. RPTR'S LATER CONVERSATION WITH GND CTL DETERMINED THAT THE INTENT OF THIS CENTRALLY LOCATED COMPLEX IS AS A LOCATION TO SHEPHERD ACFT ACROSS THE COMPLEX. CONNECTING TXWYS ARE PURPOSELY NOT DIRECTLY ALIGNED TO MINIMIZE THE POSSIBILITY OF UNINTENDED RAPID TRANSIT ACROSS BOTH RWYS. ATC ADVISED THE CLRNC REPORTER RECEIVED WOULD NOT BE THE STANDARD FOR ACFT TRANSITING THE AREA. INSTEAD ACFT WILL GENERALLY BE CLEARED TO EXIT THE RWY VIA A CONNECTOR TXWY; TURN ONTO AC AND AWAIT CLRNC TO CROSS THE OPPOSITE RWY AT AN APPROPRIATE TXWY.