Workaround for Apple Map: http://maps.google.com/ Originally Posted by S-ManGoogle is working on an app for the iPhone, but it probably won't be available for 2-3 months.
For those who want turn-by-turn directions with voice navigation alternative to Apple Maps, consider the Waze app. Originally Posted by S-ManYES! Waze also includes warnings of speed traps and traffic backlogs. I drove back from the north east last month and avoided at least two laser tickets thanks to Waze.