We are going to be driving in North Wales for a few days. We drive manual every day. Roundabouts and international signage are also familiar. But we haven't driven on the left yet. Nor are we familiar with UK street markings. Does anyone have a recommendation for a good driving video covering lane markings and other UK driving particulars? A pdf of lane markings and signage would also be helpful.
For road markings, see here: https://assets.publishing.service.gov.uk/media/560aa6c7ed915d035900001a/the-highway-code-road-markings.pdf
This is an extract from the "Highway Code", the document you have to learn, and pass a test on, in order to get a Driving Licence.
The British AA (Automobile Association) publishes this "Advice for drivers and riders visiting Britain": https://www.theaa.com/driving-advice/driving-in-great-britain