Why is there a yellow prohibitory line painted at this location?
Review of the options:
Because it is prohibited to stop too close to the bridge. – Why then are the lines only painted on a small section of the road? It is prohibited to stop around 30 metres from the bridge, but not 5 metres from the bridge. 5 metres is closer than 30 metres. This option is not reasonable.
Because cars must also be able to turn into and out of the road on the right of the picture when the bridge is open. – The lines are painted exactly where the turn can be made. Furthermore, is it not unreasonable that cars waiting for the bridge to open are blocking cars that are unaffected by the bridge opening?
Because there is always a stopping and parking prohibition on country roads. – There is no general stopping and parking prohibition on country roads. Therefore, this option is wrong.