That looks like a similar idea to something that’s known as a “Kent Carriage Gap” in the UK. Though the latter would normally have two small bollards rather than just one. See https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dkent_carriage_gap and https://www.kent.gov.uk/__data/assets/pdf_file/0012/5142/gaps-design-standards.pdf .
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