Exploring the world around you enables you to discover new items and weapons to craft. Having the Motorcycle or even the SUV unlocks new areas. Below are recommendations:
How do I Unlock/Use new vehicles?
* You probably already have the bike, but it can't get you far. You'll need specific resources to build a new means of transportation.
* The vehicle crafting station is at the lower left hand side of your base.
* Add items to this station to such as: wires, iron ingots, and items tailored to that vehicle such as a motorcycle gas tank.
Keep these tips in mind, and you're sure to escape any overwhelming hordes of zombies. You can always find more tips in the FAQ, or submit a ticket if you come across a glitch or two. Use your vehicle to find new survivors on your journey!