A319 FLT CREW TAXING TO 17R AT MCO ENCOUNTERS OPPOSITE DIRECTION CONFLICTING A320 TRAFFIC AFTER SWITCHING TO TWR FREQUENCY. ACR TUGS ARE REQUIRED TO SOLVE THE CONFLICT.

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WE WERE CLRED BY MCO GND CTL TO TAXI TO RWY 17R VIA TXWYS B6; C; J; HOLD SHORT OF H1. THE FO READ BACK AND WROTE THE CLRNC DOWN EXACTLY AS GIVEN AND I THEN READ BACK THE SAME CLRNC TO THE FO AS I HAD PREVIOUSLY BRIEFED TXWYS B6; C TO RWY 18L AS MY EXPECTED TAXI RTE AND DEP RWY DURING THE BEFORE START BRIEFING. AS WE APCHED THE MIDWAY POINT OF THE BRIDGE OF TXWY J; I ASKED THE FO TO START #2 ENG. GND CTL THEN ADVISED US THAT WE WOULD BE FOLLOWING AN ACR Z FLT APCHING RWY 17R AND THAT WE WOULD SEE HIM AS WE TAXIED FURTHER AND TO STILL HOLD SHORT OF TXWY H1. GND THEN SAID TO MONITOR TWR. I TOLD THE FO TO MONITOR THE TWR AS HE HAD TOLD ME EARLIER THAT HE WOULD BE HEADS DOWN UPLINKING TKOF DATA. I HAD THE ACR Z FLT IN SIGHT AS I TAXIED DOWN TXWY J AND CALLED FOR THE TAXI CHKLIST. AFTER COMPLETING THE TAXI CHKLIST; WE HAD JUST PASSED TXWY J5 WHEN I NOTICED THAT AN ACR Y FLT WAS STOPPED OPPOSITE DIRECTION ON TXWY J BEYOND TXWY H1 THAT WE WERE TO HOLD SHORT OF AND BLOCKED US BOTH FROM TURNING AROUND. I ASKED THE FO TO GO BACK TO GND CTL. GND CTL ASKED US IF WE COULD MAKE A TURN INTO TXWY J5. WE DID NOT HAVE ENOUGH ROOM TO TURN. GND CTL HAD TO COORD WITH ACR Y OPS TO GET A TUG AND TOW THE ACR Y FLT OUT OF THE WAY AND ONTO THE RAMP TO THEIR GATE. POSSIBLE CONFUSING OR INCOMPLETE TAXI INSTRUCTIONS GIVEN TO ONE OR BOTH ACFT. POSSIBLE MISINTERP OF INSTRUCTIONS GIVEN. CONFUSING TXWY MARKINGS AND NAMING OF TXWYS. AFTER LOOKING AT THE TAXI CHART IN DETAIL; ALONG WITH THE TAXI INSTRUCTIONS; THERE IS CONFUSING LABELING OF TXWYS. IT APPEARS THAT TXWY J DOES NOT GO ALL THE WAY TO TXWY H1 AS GIVEN BY THE CTLR AND READ BACK BY THIS CREW. TXWY J ACTUALLY TURNS INTO TXWY G BTWN TXWYS H1 AND J5; BUT TXWY G WAS NOT MENTIONED IN THE TAXI INSTRUCTION NOR WAS IT NOTED BY MYSELF OR THE FO UNTIL WE SAW THE SIGN FOR TXWY G WHICH UP UNTIL JUST A FEW SECONDS PRIOR WAS STILL TXWY J. TXWY J5 ENTERS INTO A RAMP AREA FOR 2 ACR'S GATE AREAS AND IS NOT LISTED AS TXWY J BEYOND THAT POINT. I DO NOT KNOW WHAT THE TAXI INSTRUCTIONS WERE FOR THE ACR Y CREW. THIS WAS A COMBINATION OF INCOMPLETE TAXI INSTRUCTIONS AND POOR TXWY LABELING AND NOT CATCHING THE SUBTLE CHANGE OF BOTH ON MY PART AND POSSIBLY THE ACR Y CREW THAT LED TO A DEADLOCK ON THE SAME TXWY.