Even though NYC has one of the most efficient public transportation systems in the world, it can certainly be confusing for people who are not familiar with the area when faced for the first time with navigating the subway. A few tips can make your subway travels run more smoothly. If you plan to do a lot of running around the city, it is absolutely worth investing in a weekly or monthly unlimited pass. Not only do you save money by paying one base price for unlimited rides, you will also save time and trouble by always having a loaded-up Metrocard. The metrocard machines can have lines, and they can tend to malfunction at the worst times. By carrying a card with you, you will ensure that you never miss a train because of the machines and the process of purchasing a ride slowing you down!