PEORIA — Ryder has canceled all truck rentals for the coming week due to credible but unconfirmed threats of terrorist attacks in the wake of the 10th anniversary of 9/11.

A customer who did not want to be identified told the Journal Star that she had been informed by Ryder of the cancellation by phone call Friday. A Ryder representative told the Journal Star all local rentals for the weekend had been canceled, though that person declined to elaborate on the reason.

Further questions were referred to the head of rentals for the local arm of the company. That person did not...