The M1 northbound near Junction 38 in West Yorkshire was experiencing drainage concerns as a result of the geometric layout. The collision statistics (10 collisions resulting in 26 casualties over five years) showed that wet weather was influencing the safety record above the national average at this location. To mitigate the risk we accelerated a […]

Background North Dene Footbridge carries a public footpath over six lanes of the A1 near the Angel of the North in Gateshead, Tyne and Wear. Our routine inspections had identified corrosion to reinforcement within the three main steel/concrete composite spans which presented a potential risk from spalling concrete falling onto live traffic on this very busy […]

Background A-one+ identified an innovative and sustainable improvement of the M1 at junction 24 to overcome severe congestion at the intersection which had traffic queuing on all approaches and regularly affecting the mainline M1 carriageway.   Solution Analysis of the junction showed that heavy congestion was largely as a result of significant traffic flow from […]

Background Investigating the viability and benefits of using warm mix asphalt on the strategic road network. Solution A-one+ collaborated with Lafarge Tarmac on a specific trial project on the A46 at Cossington with the aim of formally recording feasibility of use. This project marked the first time that low temperature asphalt was trialled on the […]

Background A-one+ was tasked with identifying, designing and constructing a range of cycle improvement schemes to encourage sustainable travel and deliver societal, economic and environmental benefits. Solutions Collaborating with cycling groups and stakeholders, A-one+ reviewed the extent and quality of the existing cycling infrastructure throughout the East Midlands network area Through consultation with cycling charities […]

Background A45 westbound carriageway improvement programme was in a very poor condition, surfacing was at the end of its life, safety barriers required replacement, traffic signs needed upgrading and there was flooding on carriageway and adjacent land. Solution The delivery team applied lean techniques to brigade six individual schemes combining traditional and innovative construction methods. […]