Is there really a set of traffic lights on the northbound (right-hand) carriageway here?
(I got here following a rabbit-hole from @mvexel/diary/42450 )

North Wiltshire Crematorium needs mapping

Could you check this place, there is feedback from the delivery driver, which shows that he could not drive. Maybe there is some kind of obstacle, gate, access ban, or something else?

specify access to this gate, please.

onosm.org submitted note from a business:
name: JD sports
phone: 01793 641111
website: https://www.jdsports.co.uk/
twitter: @JDSports
facebook: https://www.facebook.com/jdofficial/
email: [email protected]
hours: Monday-Friday 9am to 6pm
category: Clothing Stores
address: Station Road, Chiseldon, Swindon

Camera

Free parking

Lambourn Site

please check this place for some barrier or restrictions for drivers

This road is a dead end, junction closed off.
Visible on Google streetview for confirmation.