# ORT0188 Environmental Sensor Stations \(ESS\) Replacement Programme RIS 3

> A sourced UK public sector contract award published by National Highways Limited.

## Key facts

- Buyer: [National Highways Limited](/buyers/national-highways-limited/contract-awards)
- Supplier: [Vaisala Limited](/suppliers/vaisala/public-sector-contract-awards)
- Award value: £4,436,606
- Tender value: £4,436,606
- Award date: 13 May 2026
- Published: 20 May 2026
- Contract start: 13 May 2026
- Contract end: 31 March 2031
- Stage: awarded
- Procurement category: goods
- Notice ID: 884b5378-5cbc-4a04-b499-0d668c997c2a-898377
- OCID: ocds-b5fd17-8b9d0498-a606-492b-9bb4-514029b9e4b9

## Description

This award notice is for the supply Environmental Sensor Stations for National Highways\. The contract supports the deployment of monitoring equipment to capture environmental data to inform operational management and safety across the strategic road network\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/884b5378-5cbc-4a04-b499-0d668c997c2a-898377)