Ministers are sitting on a huge amount of data on the safety and value for money of smart motorway schemes, including at least nine that were due for completion in 2022.
The concealment of multiple post opening project evaluation (POPE) reports will raise concerns that the government is once again hiding inconvenient facts about the controversial roads, as it did in 2021, when I put pressure on the Department for Transport (DfT) over reports that it was suppressing.

When the five-years after POPE on the scheme to convert the M1 between junctions 10 and 13 to dynamic hard shoulder was published in September 2021, it revealed that it had cost the economy £200m instead of a projected benefit of £1bn, because it slowed traffic down. It made national news.
In its Annual Assessment of National Highways’ performance 2021-22, regulator the Office of Rail and Road stated:
We are scrutinising the company’s POPE publication plan for smart motorway schemes. Nine of these are due to be completed in 2022. In July 2021, the company published the five-year POPE for the M1 junctions 10 to 13 dynamic hard shoulder running scheme.
That POPE was the last report on a smart motorway to be published, which is unsurprising given how terrible the data was, although aggregated safety data is published separately.
When I asked National Highways why no more POPE reports had been published, a spokesperson told me:
We have provided the Department for Transport (DfT) with the smart motorway post opening project evaluation (POPE) reports. These are multiple detailed evaluations of scheme performance and DfT is now in the process of undertaking its final assurance.
Obviously, for those reports completed in 2022, “undertaking final assurance” means locked in a cupboard.
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