(CNN) -- Pizza places have always been experts when it comes to delivery, flexing with remote drop-offs and robot delivery cars. But now they're facing a problem: not enough drivers. In early March, ...

Domino's delivery problems aren't over. In the last quarter of 2022 sales at locations open at least a year ticked up just 0.9% in the United States, below analyst expectations. Shares plunged about ...

Hundreds of packages piled up this month behind a U.S. Postal Service counter where a lone clerk faced frustrated residents who hadn’t received mail for a week in the river town of Silt — the latest ...

This is a preview. Log in through your library . Abstract This paper proposes models and algorithms for the pickup and delivery vehicle routing problem with time windows and last-in-first-out (LIFO) ...