“CERTIORARI DENIED… 17-1700 TURZAI, MICHAEL C., ET AL. V. BRANDT, GRETCHEN, ET AL.," the order stated.
READ MORE: US Senate Approves Nomination of Brett Kavanaugh as Supreme Court Justice
The Supreme Court's decision means that the elections will go ahead under a new map devised by Pennsylvania's highest court.
In January, the Pennsylvania Supreme Court voided the state's old congressional district map and ordered it to be redrawn, ruling that the map was created to disproportionately benefit Republicans.
The Pennsylvania court then released a new map in February after Republican and Democratic lawmakers failed to come up with their own compromise districts.