. . . "North" . . "South" . "45" . . "I" . "Interstate 45 (I-45) is an interstate highway located entirely within the U.S. state of Texas. While most interstate routes ending in five are cross-country north-south routes, I-45 is comparatively short, never leaving Texas. It connects the cities of Dallas and Houston, continuing southeast from Houston to Galveston over the Galveston Causeway to the Gulf of Mexico."@en . . "458523.0"^^ .