Police spokesman James Newall said: "We are waiting for a unit from Market Rasen to come and spread some sand on it.
"We could be looking at a couple of hours before it is cleared."
9:00: Commuters are experiencing delays after a collision involving a combine harvester and a cement lorry in Lindum Road, Lincoln.
Police were called to the crash half way up the hill at 7.27 this morning.
Lincolnshire Police spokesman James Newall said: "There were no injuries and the vehicles are awaiting recovery and it is causing some tailbacks."