Trouble Brothers is a company run by developers Jeff McCord and Steve Shippert, and when I saw them back at Macworld earlier this year, they showed me a game they were working on called Cargo Runners, destined to be released on the iPad, along with an actual real-life board game version. It doesn't seem like the board game version has arrived yet, but the iPad version is out now and available for $4.99 on the App Store.
You can play the game a few different ways, including just pass-and-play local, online synchronous or asynchronous multiplayer, and there's a version with solo play against