The city shares a 15-mile (24 km) border with Mexico that includes two border crossings. San Diego hosts the busiest international border crossing in the world, in the San Ysidro neighborhood at the San Ysidro Port of Entry. A second, primarily commercial border crossing operates in the Otay Mesa area; it is the largest commercial crossing on the California-Baja California border and handles the third-highest volume of trucks and dollar value of trade among all United States-Mexico land crossings. COUNT 5
QSN1 Where is San Diego's border crossing? ANS1 the San Ysidro neighborhood at the San Ysidro Port of Entry QSN2 How long is the border that San Diego shares with Mexico? ANS2 15-mile (24 km) QSN3 What is the volumte of trucks handled at the Otay Mesa crossing? ANS3 the third-highest volume of trucks and dollar value of trade among all United States-Mexico land crossings. QSN4 Where is the next nearest commercial crossing at the border? ANS4 Otay Mesa QSN5 How many border crossings does San Diego share with Mexico? ANS5 two