A47 GUYHIRN ROUNDABOUT HIGHWAY DEVELOPMENT
Over 2600m3 of LECA Lightweight Fill (LWA) was specified for the A47 highway development. The A47 is a trunk road in near Norwich, linking Birmingham to Lowestoft, Suffolk. The £17m scheme marks the beginning of six significant schemes and almost half a billion pounds of investment to improve the 115-mile route between Peterborough and Great Yarmouth.
The main works for the £17m year-long project has seen the junction widened with additional approach lanes. The purpose of which was to ease the flow of traffic by incorporating a third lane towards the existing roundabout on the A47 Guyhirn junction.
LECA Lightweight fill was specified by SWECO to widen the approach lanes to the roundabout, as a solution fill material due to poor groundwork conditions during the assessment of developing a road widening development
Amount of material: 2,6000m3 of LECA®LWA (10-20mm)
Agent: Galliford Try
Sub Contractor: CR Civil Engineering
Interesting Fact: According to National Highways, there is now 18 percent more capacity at the A47 Guyhirn junction, with journey times expected to shrink by four minutes.