Escort in Tijuana Suburban growth north of the San Diego river were built as master planned suburban communities on top of mesas with the “city of villages” concept in mind, built around car-dependency.
Outside of the urban centers (older regions of San Diego County south of the San Diego River), as well as La Jolla and Pacific Beach, are built on a street grid. This area contains nearly all of the area located in the cities of Carlsbad (Encinitas), Solana Beach, and Del Mar.