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Delighted to be shortlisted for 3 Highways Awards

Introducing integrated highway engineering provider A-one+. We have the capabilities to design, construct and operate thousands of miles of road networks.
A-one+ works as one team delivering highway excellence. Discover exactly what we do for your road network by viewing our capabilities and solutions now.

What we do

About Us


A-one+ is a key group of integrated highway engineering providers, having been established by industry leaders CH2M, Colas and Costain.

Capabilities


You can depend on our capabilities to provide a quality integrated highway service and our solutions to develop pioneering industry innovation.

People


People are our most important asset. Being un-incorporated means that parent company expertise and support for our employees plays a vital role in our success.

We offer a wide range of services, click the button to find out more

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Our Solutions

Lean Pavement Scheme

Energy efficient lighting improvement

Footbridge Renewal

Team Building

Our Latest Tweet

RT @esccroads: UPDATES from @HighwaysEngland regarding their weekend works on the M23 can be found here: https://t.co/FJAOniuFoM #m23 #gatw…

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LATEST NEWS / 19.01.2018
A-one+ to the Rescue

We have been busy carrying out works on the M18 and M180 to renovate 40,000m of drainage ditches and 100 culverts as part of a...

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LATEST NEWS / 22.12.2017
Seasons Greetings

Merry Christmas and happy holidays to friends, colleagues, clients and partners. While visiting your family and friends...

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LATEST NEWS / 19.12.2017
Military Movers

South Yorkshire historic military bridge makes final journey A military bridge, believed to be the last of its kind situated...

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LATEST NEWS / 18.12.2017
Christmas Jumpers

In-keeping with the season of goodwill our teams participated in Christmas Jumper Day on 15 December raising a whopping £442.45...

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