In the morning, two cars collided and a woman in her 50s had to be taken to hospital.
Her injury status is unclear.
At lunchtime, a motorist overturned outside Tillberga, this is reported by VLT.
Shortly after 2 p.m., at the height of Hällamotet, a car also drove into the ditch.
A child and an adult were taken to the hospital for a check-up but are said not to have been seriously injured, the police write on their website.
Earlier today, the Swedish Transport Administration issued a warning of difficult road conditions and the risk of slipping in several places in the county.