Give way line. When emerging from a T-junction that has broken white lines across the end of the road, you must give way to all traffic on the main road. HC rule 172.
You may also find a 'Give Way' sign and / or a triangle marked on the road. These also mean give way.
Your browser does not support HTML 5 video, so you can not see video situations. To see the video situation, you must use a browser that supports HTML 5 span> video. Browsers that support HTML 5 span> videos can be downloaded from: