The Alexander PS-type was a step-entrance single-deck bus body built by Walter Alexander Coachbuilders in Falkirk, Scotland and was produced from 1988 to the late 1990s on the Dennis Lance, Mercedes-Benz O405, Scania N113 and Volvo B10M chassis.

[7] Following the purchase of Mainline and SB Holdings by the FirstGroup, these buses were dispersed around First's other operations.

[8][9] Yorkshire Traction purchased five Scania PS-types in 1992 as their first new full-size buses since deregulation.

[10] Sixteen Dennis Lances with dual door Alexander PS-type bodies were built for London Buses subsidiary Selkent, while in Hong Kong, Kowloon Motor Bus took on 24 Lances with PS-type bodywork.

[11][12] Two examples on the Mercedes-Benz O405 chassis was built with Alexander PS-type bodies in 1992, one being a rigid Mercedes demonstrator and a sole articulated example being bodied for Grampian Regional Transport.