There are three existing border crossings in San Diego–Tijuana, with two more planned. San Ysidro/El Chaparral is the busiest border crossing in the world; in 2005 alone, 41,417,164 people entered the U.S. through this port. There are maximum 30 vehicle border crossing lanes at the San Ysidro Port of Entry into the United States and 6 or 8 lanes into Mexico from San Ysidro. The San Diego/Tijuana border is also a major point of entry for trafficking, where 50 brothels of trafficked Mexican girls exist in San Diego County.