Two people have been arrested following the collision in which a 53-year-old man has died.
A 49-year-old man has been arrested and released on police bail. A 34-year-old man was also arrested and has been release under investigation.
The investigation is on-going and the force continue to appeal for vital witnesses to this incident.
If you have information, please get in touch with our Serious Collision Investigation Unit (SCIU) via 101 or email SCIUinvestigators@lincs.police.uk, quoting incident reference number 47 of 17 October.
Last week, the force we appealed for information and witnesses after the man was found with serious injuries on the A16 Sibsey Road, Boston, near to Pilgrim Hospital, which was reported to them at 4.30am on Friday 17 October. Officers believe he was a pedestrian who has been hit by a vehicle that had not stopped at the scene.
More details from the initial incident can be found here.
