E40101 Daimler DMS 2 Door Open Top Network SouthEastThe DMS was London's first purpose built one person operated double deck bus, however it proved unpopular due to slow boarding times compared to the open platform AEC Routemasters and also maintenance costs were high, due to the way they were designed as there was no ability to separate the body from chassis for overhaul. Withdrawal of the DMS fleet began in early 1979 with Leyland Titans and MCW Metrobuses purchased as replacements and in some cases