Road works are being carried out on the A158 at Wragby overnight until Sunday July, 13.
Lincolnshire Police are reminding drivers that the crossroads at Wragby will be closed between 7pm and 7am.
There is a diversion in place, signposted about five miles away from the road closure, taking motorists though Market Rasen.
Some motorists have been ignoring the road closed signs and travelling up to the closure and verbally abusing road workers.
Lincolnshire County Council Highways Department and traffic company dealing with the road closure are erecting clearer signs. Motorists should comply with the diversion signs or use alternative routes avoiding Wragby crossroads.