Motorists were met with gridlocked traffic on the A46 Dunholme bypass north of Lincoln after a four car collision.
The pile-up happened at around 11.10am on Thursday, February 4.
The drivers of two of the cars were taken to Lincoln County Hospital with what police described as “miscellaneous injuries”, which are not thought to be life threatening.
The road was closed for a number of hours whilst the vehicles were recovered and an oil spillage was dealt with by the Highways Department.
Anyone who witnessed the collision is asked to call the 101 non-emergency number or the Collision Witness Hotline on 01522 558855.
They should quote incident number 114 of February 4, 2016.