( CNN ) -- In Japan , rail rules as the transport mode of choice with over 2,000 kilometers of railroad tracks and an estimated 24 million passengers using the network every day , according to Japan 's rail companies . Watch : Car vs. bullet train race to Tokyo . Despite the country 's land mass being roughly the same size as the state of California , the Japanese have developed an extensive railway network that provides easy access to larger cities from smaller towns in the country . Read more : [ Infographic ] The railway capital of the world . One of the reasons Japan 's railway network is so popular is the commuter traffic . Stations are extremely busy during peak periods and some operators even hire `` oshiya '' or `` pushers '' -- train and subway staff who help facilitate getting commuters onto trains . Watch : Tokyo 's seven-minute miracle . With such a rich railway history and a constant push to improve the network , CNN has devised a quick quiz for you to test your Japan train knowledge .
Japan has strived to be at the world 's forefront for railway research and development . The country now has over 3000 kilometers of rail lines and a renowned bullet train network . An estimated 24 million passengers use the network every day .