Northampton, the county town of Northamptonshire, is rich in transport history. 1880 saw several tram routes commence operation within the Northampton Borough, being operated by the Northampton Street Tramway Company. After this, public transport in the town began to develop. The tram network being electrified in 1901. The 1910s saw a number of independent bus operators begin to link Northampton with the surrounding villages, introducing motor bus operation into the town. Over the years, Northampton has been home to numerous independent bus and coach operators. Two major operators also served the town, Northampton Corporation Transport (later Northampton Transport and First Northampton) and United Counties / Stagecoach Midlands. Northampton’s Trams and Buses explores the development of the tram network within Northampton, as well as exploring how bus services in the Northampton, Wootton, Hardingstone and Moulton areas of Northamptonshire have developed from the early 1900s to 2021.

This eleventh edition was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time and it is considered to be a landmark encyclopaedia for scholarship and literary style.

Supplements to the Board's Annual report include the Report of the medical officer.