I’m driving an MTA bus down a busy New York City street, doing my best to stay in my lane — though I have to say I’m a little rattled, after my struggles with slowing the bus down in time to avoid running any red lights. “If you keep turning the way you are, we’re going to hit the pole,” sighed my wingman, assigned by the agency to make sure a mild-mannered reporter like myself doesn’t cause any traffic accidents. I manage to correct just in time — avoiding any tangles with city infrastructure, or for that matter, hapless pedestrians. Fortunately for New Yorkers, my joyride in a nearly 17-ton piece of machinery isn’t real — I’m aboard the agency’s new bus simulator, a high-tech, virtual training tool that allows to navigate NYC’s 300 bus routes without the danger. The Post’s Ben Cost gets behind the wheel of the MTA’s new bus simulator. J.C.…