ACR MD88 FLC ADVISE TWR LCL CTLR THAT THEY EXPECT TO ROLL OUT TO RWY END AND ARE INSTRUCTED TO EXIT ON TXWY V AT LGA. TXWY V HAS AN F28 WAITING FOR ANOTHER COMMUTER JET TO CLR THE INTXN ON A XING TXWY. THE MD88 FO ADVISES TWR; DUE TO ACFT AHEAD; THEY ARE NOT CLR OF RWY. MD88 FLC OBSERVE DEPARTING JET CROSS OVER THEM. FO IS VERY CONCERNED ABOUT MANY PROBS THAT HE PERCEIVES TO EXIST AT LGA.

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OUR FLT WAS FROM CVG TO LGA. WE WERE CLRED FOR THE RIVER VISUAL APCH TO RWY 13 AT LGA; RWY 4/22 WAS CLOSED. LNDG AND INITIAL ROLLOUT WERE UNEVENTFUL. AS THE ACFT APCHED TXWY V; MY INTENDED TURNOFF; I NOTICED AN ACFT FACING SE ON TXWY V HOLDING SHORT OF TXWY B. GND SPD WAS A FAST TAXI. I HAD NOT INITIATED THE TURN OFF THE RWY; AND JUST AS I WAS ABOUT TO CONTINUE DOWN THE RWY TO TURN OFF ON THE NEXT TXWY; PERHAPS TXWY W OR Z; LGA TWR INSTRUCTED US TO EXIT AT TXWY V. WE XMITTED OUR ACKNOWLEDGMENT OF THE INSTRUCTIONS; AND ADDED THAT WE WOULD NOT BE CLR OF THE RWY BECAUSE OF THE ACFT AHEAD ON TXWY V; AN F28. HE APPEARED TO BE HOLDING FOR A COMMUTER ACFT WHICH WAS TAXIING SE ON TXWY B POSITIONED JUST NW OF THE INTXN OF TXWYS B AND V. I STOPPED AS CLOSELY AS POSSIBLE BEHIND THE F28; PERHAPS 25 FT AWAY; BUT THE NORMAL RWY HOLD SHORT LINE WAS WELL AHEAD OF US. TWR RESPONDED BY SAYING THAT THE ACFT AHEAD OF US WOULD BE MOVING OUT OF THE WAY; AND IN ALMOST THE SAME BREATH; CLRED ANOTHER ACFT FOR TKOF BEHIND US. BY THE TIME WE HEARD THAT ACFT PASS BEHIND US; THE F28 AHEAD OF US HAD NOT MOVED; NOR HAD WE. THE SIT AHEAD CLRED AFTER A FEW MORE SECONDS; AND WE WERE ABLE TO MOVE CLR OF THE RWY. WHEN WE CONTACTED GND CTL; HE INFORMED US THAT HE HAD TRIED TO CONTACT US ABOUT 5 TIMES AND GAVE US TAXI CLRNC TO THE RAMP. WHILE WE SHOULD HAVE WARNED TWR OF THE TFC JAM ON TXWY V; ALL HE HAD TO DO WAS LOOK OUT HIS WINDOW AT HIS ONLY RWY BEFORE LAUNCHING ACFT. SUPPLEMENTAL INFO FROM ACN 408794: TWR INSTRUCTED US TO 'EXIT AT TXWY V; CONTACT GND.' WE EXITED AT TXWY V; AND STOPPED CLOSE BEHIND THE ACFT STOPPED ON THE TXWY. I INFORMED TWR THAT WE WERE NOT CLR OF THE RWY AND WERE BLOCKED BY THAT ACFT. THE ACFT IN FRONT OF US COULD NOT MOVE WITHOUT CUTTING OFF OR HITTING THE COMMUTER. THE CAPT SPOKE WITH OUR RAMP TWR PEOPLE AND FROM THEIR VANTAGE POINT; IT APPEARED THE DEPARTING JET WAS FORCED TO MANEUVER TO AVOID HITTING US DURING HIS TKOF. LAGUARDIA IS; IN MY OPINION; A FACILITY WHICH IS BASICALLY UNSAFE. ONLY THE SKILL OF PLTS AND CTLRS ALIKE PREVENTS AN ONGOING STRING OF FATALITIES AT THIS FIELD. IT IS CROWDED. THE RWYS ARE TOO SHORT. ARR PROCS REQUIRE MANEUVERS WHICH WOULD NEVER BE ACCEPTED IN APCHS AT OTHER FIELDS. THE NAVAIDS ARE OFTEN NOT WORKING. THE STEEL PIERS MAKING UP PORTIONS OF THE RWYS OFTEN AFFECT THE MAGNETIC COMPASS AND HEADING SYS OF ACFT. FREQS ARE OVERCROWDED AND THERE ARE UNCTLED VEHICLES ROAMING FREELY ABOUT THE FIELD. WE ALL MAKE MISTAKES. IT JUST SEEMS SOME ARE HELD ACCOUNTABLE FOR THEIRS WHILE OTHERS ARE NOT. SAFETY WAS COMPROMISED AND LIVES PUT AT RISK BECAUSE TFC FLOW WAS GIVEN PRIORITY OVER PROCS. IT IS TIME FACILITIES SUCH AS LGA AND DCA WERE MORE CLOSELY CTLED AND TFC LIMITED.