The collection completed by a reconstructed 1920s Southdown Bus garage.
 The depot houses working buses chiefly from the local operator Southdown Motor Services based on the collection of the Southdown Omnibus Trust
On open days the Southdown Bus collection operates bus rides throughout the day.
The collection of vehicles is listed below.

Operational buses
1914 Worthing Motor Services/Southdown Tilling Stevens open-top 41-seater IB 552. (
Restricted use because the bus is fragile)
1922 Southdown Leyland N Type open-top 51-seater CD 5125.

1927 Southdown Dennis 30 cwt single-deck UF 1517.

1928 Sunderland Corporation Leyland Lion LT1 single-deck BR 7132 (Privately Owned).

1930 Southdown Tilling Stevens B10 A2 single-deck 31-seater UF 6805.

1931 Southdown Leyland Titan TD1 double-deck 50-seater UF 6473.

1931 Southdown Leyland Titan TD1 double-deck 50-seater UF 7428.

1937 Southdown Leyland Cub single-deck 24-seater ECD 524.

Replica 1938 Shelvoke and Drewry Worthing Tramocar BP9822 single-deck. (
Small bus generally used at quiet times)
Buses undergoing repair or restoration
1923 Southdown Tilling Stevens single-deck CD 4867. (
Chassis only, planned to be fitted with a raked charabanc-type body)
The collection completed by a reconstructed 1920s Southdown Bus garage.  The depot houses working buses chiefly from the local operator Southdown Motor Services based on the collection of the Southdown Omnibus Trust
On open days the Southdown Bus collection operates bus rides throughout the day. The collection of vehicles is listed below.
Operational buses
1914 Worthing Motor Services/Southdown Tilling Stevens open-top 41-seater IB 552. (Restricted use because the bus is fragile)
1922 Southdown Leyland N Type open-top 51-seater CD 5125.
1927 Southdown Dennis 30 cwt single-deck UF 1517.
1928 Sunderland Corporation Leyland Lion LT1 single-deck BR 7132 (Privately Owned).
1930 Southdown Tilling Stevens B10 A2 single-deck 31-seater UF 6805.
1931 Southdown Leyland Titan TD1 double-deck 50-seater UF 6473.
1931 Southdown Leyland Titan TD1 double-deck 50-seater UF 7428.
1937 Southdown Leyland Cub single-deck 24-seater ECD 524.
Replica 1938 Shelvoke and Drewry Worthing Tramocar BP9822 single-deck. (Small bus generally used at quiet times)
Buses undergoing repair or restoration
1923 Southdown Tilling Stevens single-deck CD 4867. (Chassis only, planned to be fitted with a raked charabanc-type body)
Amberley Museum & Heritage Centre