Long lines of stopped traffic act similar to a solid barrier or a solid wall, with one huge exception. Cars, people and bikes can step through that steel wall, surprising you as you drive past.
Learning to navigate in heavy rush hour traffic is very different than most others kinds of driving situations.
Different skill sets are needed for different situations such as city versus highway driving, freeway versus country road driving, or daytime versions of nighttime driving.
Do your Vancouver driving lessons include these various situations? Should you not try them all out with an experienced trainer in a dual-controlled car at least once before you venture out on your own or with those you love?
Safe driving is a wise investment on many levels.