The passenger flow at Liantang Checkpoint reached a new high Sunday, exceeding 40,000 for the first time. Futian Checkpoint saw 85,000 passengers entering the mainland on April 7, and 106,000 passengers left the mainland on April 10, setting a record for the highest single-day one-way inbound and outbound passenger flow respectively since the mainland fully resumed Hong Kong and Macao travels this February, according to information released by the Shenzhen Municipal Office of Port of Entry and Exit.