If you don't know, you probably shouldn't be on the road. Go take some driving lessons and get your license, then come back to the arrows and you should find your answer.
So drivers will know which lane does what.
The correct answer is to supplement street signeage
supplement signs
No, that marking painted on the surfact of the roadway is the universal symbol for HOV-designated lanes.
Warn drivers about what's ahead.
Sounds like a warning of what Americans would call a railroad crossing ahead...
Turn indicators, lane indicators, edge of road markings, stop & school zone indicators.
It's called a crosswalk, and it serves as a designated area for pedestrians to cross the roadway.
if you drive a car you need to know this they are part of the signalisation used to control the flow of traffic very important
The question is not very clear, but it sounds as if you would be approaching a division in the roadway (perhaps a traffic island) where the roadway separates.
A oneway roadway with traffic coming agaisnt you
The arrows say that Americans will fight to stay free