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Area 4 proudly achieved ZERO AFR this month

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 Jacobs, Colas and Costain.


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


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

View all capabilities

Our Solutions


Concrete Barrier Project

6,000 Tonnes in a Weekend!

M1 Rolling Crown

Our Latest Tweet

RT @highwaysmag: Congratulations to: @Aone_uk @RoadMole @HighwaysEngland @HitexIntGrp @RoadmenderAspha @KierGroup @TarmacLTD @Ameyplc @N_D…

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LATEST NEWS / 24.08.2018
War on Plastic

With World Environment Day on 5 June our Environmental Focus Group decided to look more closely at into the theme set by the...

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LATEST NEWS / 22.08.2018
New Apprentice Scheme

A-one+ preparing to welcome 2 starters as part of the new safety, health and environment (SHE) technician apprenticeshp...

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LATEST NEWS / 22.08.2018
Highways Awards 2018

 The shortlist for this year’s Highways Awards (formerly Highways Magazine Excellence Awards) has been announced, ahead of the...

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LATEST NEWS / 21.08.2018
Emergency Services Show

A-one+ is exhibiting at the Emergency Services Show in September helping to raise awareness of the vital role we play in...

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