Originally Posted by
g46r
It's actually northbound over the pole. Depending on how the wind alot is blowing on that day, the initial heading out of EWR is often slightly to the east.
One example EWR-PVG flight a few years ago:
That is a really cool image. Much more accurate at showing the polar route than what you get from a Mercator projector (such as is used by FlightAware and similar websites).