Construction of roads

Construction, reconstruction and repairs of roads. We specialize in highways and urban and suburban roads.


Bridges and monolithic structures

Construction and reconstruction of bridges within road and railway engineering. Construction of retaining walls, collectors, water treatment centres, various tanks and structures from watertight concrete.



Production of hot asphalt mixtures and modified bitumen binders and sale of asphalt emulsion in twelve centres throughout the Czech Republic.



We are a traditional producer of high-quality crushed and quarried aggregates for further processing in concrete centres and building companies.


Railway engineering

Construction, reconstruction and maintenance of railway and tramway lines and sidings. Construction of railway objects, bridges and platforms. Installation of traction lines.


Water management engineering

Complete deliveries of sewers, water supply lines and water treatment centres.

general supplier of road engineering in the Czech Republic.

The activities of COLAS CZ, a. s. include standard road engineering – construction, reconstruction, repairs and other work on roads and bridges. We also construct and reconstruct utility lines and railway structures. Our further activities include stone quarrying and the production of crushed aggregate, the production of modified asphalt and above all asphalt mixtures.

More about COLAS


Feb 15

COLAS CZ supports EBEC

We decided to support the technical education of students at the Faculty of Civil Engineering of Brno University of Technology and we have become a guarantor of EBEC competition, where students will prove their knowledge in practice.

Feb 13

COLAS Team Cup - final results

The COLAS Team Cup World Finals were held on 7 and 8 February, 2018, in Paris.

Dec 4

COLAS CZ, a.s. at the JobChallenge Job Fair

This year's job fair for students and graduates took place on 22.11.2017 in Brno and our company could not be missed like every year.

Dec 1

Breakfast with COLAS! - Students of the Secondary School of Civil Engineering in Mělník

On Wednesday, 15th November, we welcomed students to the headquarters of the company in Prague. This time visited us students of the 3rd year from Secondary School of Civil Engineering in Mělník.


2017/06 - 2017/11

Žernov 2 dirt road

The project documentation deals with the construction of two rural roads and landscaping of adjacent areas.
2017/10 - 2018/05

Balabenka – ramps, Project No. 13423, Praha 9

Continuous maintenance of communication in the section of the Balabenka ramp.
2017/10 - 2018/10

Zenklova – noise elimination, 1st stage, Project No. 999954/1

The subject of the contract is reconstruction of the bridge and that of a part of Zenklova street.
2017/08 - 2018/05

II/303 Pěkov – Through Road

This project involves the renovation of the II/303 through road that goes through the village of Pěkov, connecting to the road to Broumov.
COLAS Silnice Horšovský Týn COLAS Group
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