The incident is said to have happened around 7.30am on the B1188 Sleaford Road, Ruskington, involving a grey Ford Mondeo, a blue drop-sided lorry and a van.
No-one was injured but the police appeal said: “All of the drivers stopped at the time but we need to obtain the details from the driver of the third vehicle, a van, which had travelled towards Ruskington from the direction of Speedway Corner.
“If you saw the RTC or have any dashcam footage that will help with our inquiries please get in touch.”
Email [email protected] putting incident 47 of January 14 in the subject box, or call 101, quoting incident 47 of January 14.
Or contact Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.