The Highways Agency is issuing the advice after congestion around junction 36 of the M6 in previous years.
The popular annual county show is taking place between 8am and 5.30pm on Thursday 11 September and show goers are being urged to heed the advice to use junction 36 if they are travelling southbound to the show and junction 35 if they are travelling northbound.
Phil Stockford, the Highways Agency’s Events Planning Manager said:
In previous years we have had congestion associated with the show around junction 36 so we are appealing to show visitors to follow the official route advice.
The key thing for everybody is to plan their journeys – even if that is just making a simple check on traffic conditions before setting out.
As with previous years, hard signage will be used to give advice to drivers while electronic variable message signs will also be used where possible.
Extra patrols of Highways Agency Traffic Officers from the outstation near the showground at Millness will also be deployed to respond to incidents quickly and help keep drivers on the move.
The Highways Agency provides live traffic information via its website, local and national radio travel bulletins, electronic road signs and mobile platforms, such as the iPhone. Local Twitter services are also available at @HAtraffic_nwest and @HAtraffic_pen9 for Transpennine routes.
Providing they can do so safely, road users can also call the Highways Agency Information Line (0300 123 5000) to keep up to date with road conditions.
Members of the public should contact the Highways Agency Information Line on 0300 123 5000.
Journalists should contact the Highways Agency press office on 0844 693 1448 and use the menu to speak to the most appropriate press officer.