BBC News Travel
The A153 is currently closed south of Horncastle between Tumby roundabout and Dalderby.
It's while emergency services recover an HGV.
The closure could be in place for up to two hours, it's thought.
Two teenagers have been arrested after a 15cm knife was seized by police in Lincoln City Centre.
Officers detained a 17-year-old and an 18-year-old on Friday after it was thought they were behaving suspiciously.
Supt Paul Timmins, from Lincolnshire Police, said: "Carrying a weapon of any kind, let alone one of this size and nature, can have utterly devastating consequences.
Quote MessageWe want Lincolnshire to remain a safe county and remain committed to removing potentially lethal weapons from our streets."
Supt Paul Timmins, Lincolnshire Police
Retailers at Gainsborough's Marshall's Yard Shopping Centre say a six-week road closure could have a serious impact on trade at what would usually be the busiest time of the year.
Two-and-a-half miles of the A159 is to be excavated and rebuilt, meaning it will be shut on weekdays from 12 October.
Centre manager Alison Shipperbottom says it's the worst possible time in the run-up to Christmas and wants the work delayed until January.
Quote MessageConsidering the year we've had already I'm really shocked and disappointed that our local authority has chosen to shut one of the main routes into our town at this crucial time of year."
Alison Shipperbottom, Manager, Marshall's Yard
Lincolnshire County Council says the road is in poor condition and it's essential the work is carried out now to ensure it remains safe for people to use.
The road will still be open at weekends, the council adds.
A mostly dry start for today, with sunny spells between patchy cloud.
It will then become increasingly cloudy with a band of rain pushing in from the south-west. Brisk westerly winds.
Tonight, any spot of rain lingering in eastern areas will fade away to leave it dry for most during the night.
However, a few isolated showers are possible in western areas in the small hours. Breezy.
