The Navitia PHP Sample Code by Navitia demonstrates developers how to interact with the API for integrating transportation features. It provides environment, logger, utilities, and tests as available resources.
The "Car as a Platform" wars have been heating up for some time now and ProgrammableWeb has published several posts on the topic, including: "Car as a Platform Wars: GM Joins Ford" by Adam DuVander, "Ford Launches Program That Provides Developers Ability to Create Vehicle-Controlled, Voice-Activated Smartphone Apps" by Janet Wagner, and "Have You Driven a Ford API Lately? Round Up on the Connected Car" by Greg Bates.
When Google added transit directions to its Maps, it also created a format that allows any transit agency to be included. To date, over 400 have made their routes, schedules and fares available for the search giant using the GTFS feed format. As I lamented previously, very few of those feeds are available publicly. One developer decided to try and fix that and help transit agencies at the same time.
At the June 2013 Apple Worldwide Developers Conference (WWDC), Apple announced some of the new features in iOS 7, including enhanced in-car integration described by Apple as "bringing an Apple designed experience into the car for the first time."