The Locomotives of the Midland Railway (which it always referred to as engines), followed its small engine policy. The policy was later adopted by the London, Midland and Scottish Railway, and contrasted with the London and North Western Railway's policy. The small engine policy was partly the consequence of a difference in the background of senior managers. In most railway companies, the elite position was the design, construction and maintenance of locomotives. Bigger engines brought more prestige and allowed longer trains. In the Midland, the marketing department was paramount. They recognised that people wanted more frequent, shorter trains rather than an infrequent service. It concentrated on very light, very fast and frequent trains.