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First the access road is a 2 way freeway from FL 60/FL 616:

			TO 275 60 Downtown 616 EAST Spruce St EXIT ONLY 60   589 Veterans Exwy Clearwater	3/4 cloverleaf with S-W flyover
Post Office Remote Economy Parking Bessie Coleman Blvd				Y
			Return To Terminal Post Office All Parking	Y

Now the road splits and forms a loop:

Terminal Parking Long Term Short Term Rental Car Return

Terminal   Terminal Marriott Airport Hotel Terminal Valet                                                                                                                               (left exit for blue terminal)

Airside Service Road

FAA Service Building Receiving

Arriving Flights Loading Only

Departing Flights Unloading Only  Valet

Terminal Parking Return To Terminal Rental Car Return

continue (read up on 2-way portion)

Thanks to Gene Janczynskyi for info.