Colonial Pipeline's main U.S. gasoline artery is expected to remain shut through Friday as the company continues to search for the source of a suspected leak in Paulding County, Georgia, the company said in a statement on Wednesday.

Colonial Pipeline shuts down Line 1 after a suspected leak in Georgia, with crews responding and the impact on fuel supply being monitored.

U.S. gasoline futures touched their highest levels in three months on Tuesday, after Colonial Pipeline, the largest U.S. fuel pipeline operator, said the main artery moving gasoline from the Gulf Coast to the East Coast was shut because of a potential spill in Georgia.