Subways are a highly efficient way of transport used by millions of people on a daily basis. And the bigger the country that you live in is, the more benefits it offers. And since subways are usually filled with a huge number of individuals, displaying anything on their walls and corners is a great idea that ensures that a brand gets recognized on a large scale. Well, the free subway metro screen mockup of today allows you to easily visualize the ads you showcase on a subway board.