In the 1980s, the A19A signs were removed from the loop (the east–west Pinellas Bayway then had its initial A19A signs replaced with State Road 682 signage by successor Florida Department of Transportation).
In the 1980s, the A19A signs were taken out of use on the loop (the east–west Pinellas Bayway eventually changed its initial A19A signs to State Road 682 signage under the management of the Florida Department of Transportation's successor).