In the UK, road data is historically not easily accessible or discoverable, and there’s not a unified platform built for organisations to know what data is available. Recognising this, the Department for Transport (DfT) wanted to provide the right digital infrastructure and enable easier access to the UK’s road transport data through a National Access Point (NAP).

A NAP is a catalogue of transport metadata used to index data, originally mandated by EU Directive 2010/40/EU. DfT has decided to implement a NAP beyond this original scope to include specified data for all roads with the ultimate goal of extending to all UK transport data. The current NAP is, which doesn’t provide the service management or features required for finding transport data easily. There’s limited dataset discoverability because metadata (data that describes the contents of a dataset) quality is poor, and there are many out of date and orphaned datasets.

We supported the DfT to better understand the needs of both publishers and users of transport data, to help determine the most efficient, effective and valuable way to implement a NAP.


From the discovery phase, we learnt that building a feedback loop between data publishers and users would help establish the value of data, which would justify the resource publishers need to create, publish, maintain and continuously improve data.

Alpha: prototypes

During the Alpha phase, we developed multiple prototypes, which took the form of clickable or static digital mock-ups. We also built a custom implementation of a Comprehensive Knowledge Archive Network or CKAN, an open-source platform, with both mock-up data and real data imported from

Transport National Access Point Prototype Demo

Department for Transport National Access Point Prototype Demo
Department for Transport National Access Point dataset page mock ups already in compliance with design system
Department for Transport National Access Point homepage of the customised CKAN platform, with curation features of data categories (modes of transport), popular dataset topics and grouping of datasets published by the same publisher, etc.

Alpha: research findings

Using remote one-to-one prototype testing sessions with a broad range of participants, we grew our understanding of data publisher user journeys. We wanted to understand how to improve data discoverability and metadata.

We spoke to research participants from over twenty organisations and developed four personas to represent the full spectrum of potential users. These included varied levels of data literacy and technical expertise, with different goals, data tasks, motivations and challenges.

Department for Transport National Access Point user traits and profiles

Our research found that users value data previews, visualisations and use cases (how a certain dataset has been used in real life), which complement quality metadata to help them find what they need. We also found that curated navigation such as tags, collections, and related datasets vastly improved navigation.

Focusing on data provision, we found that data publishers looked to the NAP to lead on metadata standards and automation of their metadata submission process. Data publishers also looked for support on publishing which included information on data standards, explanations of technical terms and guidance on metadata.


Following our research, we recommended a minimum-viable approach to metadata, automatic inclusion of datasets wherever possible, curation to improve navigation and a short-term focus on promoting discoverability over metadata and data quality. This approach recognised that asking for large amounts of metadata increases the burden on data publishers. An increased burden would mean lower numbers of datasets, and as a result, less overall discoverability. Improving and deepening metadata should be a long-term goal of the platform.

Complemented with useful features and curation, including SEO and tight engagement with, data users would find the NAP a convenient central location for transport data.

It took nearly two weeks of time to identify relevant datasets for coronavirus response. I believe this time could have been massively reduced had this NAP existed.


The Alpha Project passed the service assessment for public services, which means it meets crucial standards that cover being simple to use, meeting user needs, solving a whole problem and using open-source technology. Expected to go into Beta, the project will continue to build on the solid foundation from Discovery and Alpha phases, including further engaging and mobilising over a hundred transport data community members consulted throughout.

As a start, the NAP will focus on road transport data, and be eventually expanded to cover other transport data. There is the potential for data publishers and users of other domains to replicate and adapt from the NAP model if it develops maturely and successfully, contributing to more efficient use of data by even more actors and institutions across sectors.

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