... for an incrementally launched continuous prestressed concrete box superstructure, supported on 20 reinforced concrete portals. The introduction describes how the final design was chosen. It includes reference to the influence that the economics, aesthetics and the programme implications of the various options...

... and ICE 1993 Department Of Transport Motorways M40 Landscape Environment Roads Highways Widening Planning Nature Conservation Traffic Noise Calculations Alignment Aesthetics Earthworks Landscaping Trees Plants Vegetation Planting Shrubs ...