Free shuttle buses will run to and from Wightwick Manor on Thursday when the Antiques Roadshow is filmed there.
Minibuses will pick people up from temporary car parks and take them to the Wolverhampton attraction.
Bosses at Wightwick said BBC production crews were due to start arriving today and marquees were being set up in the gardens.
Drivers are being warned to expect delays on roads near the site, as 2,000 visitors are expected.
The free car parks at Wightwick Hall School, Smestow School and Wolverhampton Rugby Club, in Castlecroft Road will open at 8am.
Antiques Roadshow runs from 9.30am and 4.30pm.