A bus driver and nine passengers were injured Sunday morning after their bus crashed into a highway tollbooth in Sapporo, local police said.

One woman was in a critical condition, and a man was seriously hurt. The bus driver, Yoshihito Nakazawa, 33, and seven passengers suffered minor injuries, police said. The one other passenger was unhurt.

The highway, which runs through Hokkaido, was wet from rain at the time of the accident and dense fog was reported.

The two who were seriously injured were seated toward the front of the bus and crashed through the windshield, according to investigations.