United Kingdom · Question · Written question
UIN 186909
M4: Speed Limits
Original
Introduced
25 May 2023
Last action
5 June 2023 · Answer
Status
Answered
Sponsors
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Subjects
Discovery layer
Source updated
5 June 2023
Summary
To ask the Secretary of State for Transport, for what reasons the M4 speed limit is 60mph between Junctions 3 and 4 on the westbound carriageway.
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Timeline
25 May 2023
Written question
To ask the Secretary of State for Transport, for what reasons the M4 speed limit is 60mph between Junctions 3 and 4 on the westbound carriageway.
Source: Commons
5 June 2023
Answer
This section of the M4 has dangerous air quality, above the legal limit for nitrogen dioxide of 40µg/m³. The speed restriction is in place to help address that. It is expected to improve in time, which will, in due course, allow the restriction to be remo...
Source: Written answer
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- · Department for Transport · Answering body
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Sources
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- Official source: https://questions-statements.parliament.uk/written-questions/detail/2023-05-25/186909
- Open data entity: https://questions-statements-api.parliament.uk/api/writtenquestions/questions/1640581
- uk · wq-1640581 · source updated 5 June 2023