Incomplete set of elevations, plans and sections. Including elevations of the flood arches at Biggleswade, roadside detail of Girtford village and Lower Caldecote hamlet, and cross sections of the construction of major accommodation works such as embankments. The by-pass was opened to traffic on the 7 August 1961 and its construction pioneered the use of pulverised fuel ash as an embankment infill material. See Minute 14 of the Highways Committee, 16 September 1961, Ref: Hi/V 160/8.
Engineer: S.W. Lynn, County Surveyor
Original Refs: A1/19/4, 29, 30, 81 (2 sheets), and 109 (3 sheets), A1/25/29, A1/27/110, 113, 117, 126 (Sheets 1-5), 170, 200 and 208