Civil Engineering

Our Core Capabilities

Filter Drain Recycling

Our drainage services reflect Carnell’s strong commitment to innovation and process development, fuelled by continual improvement and an appreciation of environmental and sustainability implications.

Barrier & Fencing

We work in partnership with AmcoGiffen as AGC: a leading provider of road restraint systems for National Highways, on their six-year Scheme Delivery Framework.

Technology & Lighting

We install and maintain roadside lighting and the communications assets such as variable message signs, CCTV equipment, emergency telephones and the associated electronic apparatus.

Drainage Survey & Remediation

Our comprehensive range of drainage investigation services provide greater insight into asset location and condition, which enables us to help you with asset management and remediation.

SafetyCam Solutions

Using vehicle detection systems to capture instances of dangerous driving, while providing a conspicuous visual deterrent and actively changing the way people drive through road works and on diversion routes.

Civil Engineering

We have the expertise to successfully deliver both new-build and maintenance schemes for civils infrastructure on the highways.

Bridges & Structures

We provide specialist bridge maintenance through Route One, an established team with the capability, experience and equipment to deliver any size of project.

Innovations that show the way


Mobile road worker protection system


Sustainable In-Situ Filter Drain Refurbishment


Cost-effective risk-based tool which assesses filter drain performance to improve network knowledge


Carbon & Customer Considerate Compounds

Featured Projects

A96 Filter Drain Recycling

Carnell worked in collaboration with BEAR Scotland for Transport Scotland’s North East unit, to undertake filter drain refurbishment at two locations on the A96.

A45 Chowns Mill Roundabout

Carnell were principal contractor on this high-profile scheme, collaborating with National Highways and several other delivery partners to improve the severely congested roundabout.

M53 Moreton

The M53 Moreton north bridge had reached the end of its serviceable life and required replacement by a new structure. Carnell were tasked with the removal of the bridge.