Even filtering to the front of the line, there are still risks; red light runners, and or dealing with backed-up traffic in the intersection of those trying to make it through a turn signal cycle.
ALWAYS, look left, right, and left again for your safety. Be a little patient before gunning it through an intersection. I have read of a lot of accidents of those at the front of the line.
For this reason, and depending on the intersection(s), there are times I will either wait in line, or filter in behind the first car. Then, later filter my way through slower traffic, if/when safe.