A cyclist and an elderly man were seriously injured in two separate collisions on the A17 on Tuesday, December 29.
At around 12.10pm a red Peugeot 206 and static lorry were in collision on the A17 near Sleaford.
The driver of the Peugeot, a local man in his 80s, was airlifted to Queens Medical Centre in Nottingham with serious injuries. He remains there for treatment today.
Just after 6.30pm a male cyclist was involved in a crash with a Renault breakdown truck on the A17 Heckington bypass.
The cyclist, a man in his 40s from the east of the county, was seriously injured as a result and taken to hospital for treatment.
The road was closed following the collision and re-opened around 9pm.
Officers are appealing for anyone who witnessed the cyclist’s collision to contact the non-emergency 101 number or the Collision Witness Hotline on 01522 55855 and quote incident 357 of December 29.
Anyone with any information on the first crash is asked to contact PC 1375 Chris Wood on 01476 403322.