Delays of 19 minutes are increasing northbound in the Carlton-on-Trent and Sutton-on-Trent areas.
A collision involving a camper van, a car and a lorry has closed a major road near Newark.
The incident happened on the A1 southbound between A6075 Ashvale Road (Tuxford Junction) and B1164.
No trains will go in or out of London King's Cross Station this weekend while upgrade work takes place.
Among a series of major upgrades are 17 in the Midlands while three further schemes, among them the A46 Newark bypass, will open beyond 2025.
Mr Jenrick said unfair parking tickets would be eliminated after the government put forward proposals designed to put a halt to such behaviour.
There is very slow traffic due to the incident on the A17 between High Street and Newark Road.
Bob Thomson, owner of MIS on Jessop Way, described the business as the brainchild ‘of two old chaps who really should know better.’
The application seeks to create a motorway services-styled development with 99 car and 42 lorry parking spaces and a petrol station.
The crew was called to the southbound carriageway near Dry Doddington just after 6pm on Tuesday.
