The Bicycle:
In a class by itself, this vehicle offers the best of both worlds. The common bicycle is fast, quiet, muscle-powered, and easy to maintain. Add to this the additional advantage that this is the only vehicle you can pick up and carry if the terrain gets too rough. People using bicycles to escape from infested areas have almost always fared better than those on foot. Don't let your speed and mobility go to your head, however. Wear standard safety gear, and choose caution over speed. The last thing you want is to end up in a ditch, legs broken, bike trashed, with the shuffling of undead feet growing louder with each step.
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