Item showing the new section of the South Wales road at Chiswick. London.
Item title reads - Motorway on stilts.
New part of road to South Wales. Chiswick to Langley section, London.
Various shots of the concrete pillars which will support the new road. Various shots as carriageway is constructed overhead. C/U pan up the surface road showing precast concrete slabs which will be filled in with more concrete. C/U blowing out surplus water from grooves and tarring. C/U concrete about to be poured down large funnel into sections. C/U man operating machine. C/U concrete pouring through funnels onto reinforced rods. M/S showing the overhead road with approach road in foreground. M/S concrete mixer at work. C/U workmen operating mixer.
Interior shot of engineer putting specimen square of concrete into machine for testing to destruction, C/U block of concrete under pressure of 42 tons, cracks can be seen. C/U gauge indicating 42 tons pressure. C/U concrete block under pressure with portions of concrete pouring away. M/S giant concrete mixer with conveyor belt. C/U pan up to gravel going up conveyor belt. Various shots showing new road on concrete stilts.