Since Apple first launched its own Maps app as part of iOS 6 last year, the service has gotten quite a bit better, but it is still reliant on 3rd party apps for things like public transit, but it looks like Apple may be putting that on its list for upgrades. A new job listing is making it look like Apple wants to make public transit directions native to Maps...Source: http://www.phonearena.com/news/Apple-may-be-looking-to-add-public-transit-to-Maps_id48873
