POLICE are calling on witnesses who may have seen two-vehicle car crashes at Roadvale, Anthony and Fassifern.
On Saturday, a two-vehicle crash involving two motorcycles occurred on Ipswich-Boonah Road at Roadvale at 4pm.
On June 7, a collision occurred on Roadvale-Harrisville Road at Anthony about 7.15am.
A traffic crash occurred at the intersection of Boonah-Fassifern Road and the Kalbar Connection Road at 12.20pm on June 4 at Fassifern.
Police said initial investigations revealed a vehicle had turned across the path of an oncoming vehicle.
Anyone with information is urged to call Policelink on 131 444 or Crime Stoppers on 1800 333 000.