The town had to get a train. Which statement best states why the train is important?

The question asks why a train is important to a town. Let's evaluate the options:

• A. The train carries people but no goods or supplies. This statement is generally incorrect. Trains are vital for transporting both people and a wide variety of goods and supplies.
• B. The train is a way for people to get to and from the town. This is a primary and fundamental reason for a train's importance. It provides transportation, connecting the town to other areas for residents, visitors, and workers.
• C. Many people have jobs working on the train. While trains do create jobs, this is a consequence of the train's operation, not the primary reason for its importance to the town's overall function and connectivity.
• D. Many people learned new skills when they built the train. This refers to the construction phase and skill development, which is a benefit, but not the core reason why the operational train is important to the town.

Option B best describes the core importance of a train to a town, as it facilitates movement and connectivity for its inhabitants.

The final answer is $\boxed{B}$