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What he symbol "USA” splotched on the ground means

Call Underground Services Alert and they’ll alert any utilities in jeopardy

Matt. As I ride my bike through the streets of San Diego, I see various symbols, usually with arrows or dotted lines, painted on the pavement. These letters include things like “MH, ” pointing to a man hole; “GV” which must mean gate valve and other less esoteric lettering such as "TELCO," which even to my mind must mean telephone company. But I also see the symbol "USA” splotched on the ground, which for the life of me I can't figure out. —The Bike Rider, @prodigy.cotr

Figure this: The Ubiquitous Sidewalk Art in Urgent Signage Areas is the work of Underground Services Alert. That’s Underground Services Alert of Southern California, a nonprofit consortium of gas, phone, electricity, water, arid sewer groups, some builders — anybody, except maybe gophers, with an interest in all the junk snaking along under our feet. If you’re planning to excavate, by law you have to find out what kind of cables or conduits you might encounter. Call USA and they’ll alert any utilities that could be in jeopardy, and they'll send out guys with maps and spray paint to mark the locations of things they’d rather you wouldn't hit. (Those are the arrows and dotted lines and circles and initials.) The “USA" just means it was done through the auspices of Underground Services Alert, and it’s official. In other words, it’s the official map of exactly what your backhoe should aim at to break that big water main and get your construction project on the evening news. „

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Matt. As I ride my bike through the streets of San Diego, I see various symbols, usually with arrows or dotted lines, painted on the pavement. These letters include things like “MH, ” pointing to a man hole; “GV” which must mean gate valve and other less esoteric lettering such as "TELCO," which even to my mind must mean telephone company. But I also see the symbol "USA” splotched on the ground, which for the life of me I can't figure out. —The Bike Rider, @prodigy.cotr

Figure this: The Ubiquitous Sidewalk Art in Urgent Signage Areas is the work of Underground Services Alert. That’s Underground Services Alert of Southern California, a nonprofit consortium of gas, phone, electricity, water, arid sewer groups, some builders — anybody, except maybe gophers, with an interest in all the junk snaking along under our feet. If you’re planning to excavate, by law you have to find out what kind of cables or conduits you might encounter. Call USA and they’ll alert any utilities that could be in jeopardy, and they'll send out guys with maps and spray paint to mark the locations of things they’d rather you wouldn't hit. (Those are the arrows and dotted lines and circles and initials.) The “USA" just means it was done through the auspices of Underground Services Alert, and it’s official. In other words, it’s the official map of exactly what your backhoe should aim at to break that big water main and get your construction project on the evening news. „

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4S Ranch Allied Gardens Alpine Baja Balboa Park Bankers Hill Barrio Logan Bay Ho Bay Park Black Mountain Ranch Blossom Valley Bonita Bonsall Borrego Springs Boulevard Campo Cardiff-by-the-Sea Carlsbad Carmel Mountain Carmel Valley Chollas View Chula Vista City College City Heights Clairemont College Area Coronado CSU San Marcos Cuyamaca College Del Cerro Del Mar Descanso Downtown San Diego Eastlake East Village El Cajon Emerald Hills Encanto Encinitas Escondido Fallbrook Fletcher Hills Golden Hill Grant Hill Grantville Grossmont College Guatay Harbor Island Hillcrest Imperial Beach Imperial Valley Jacumba Jamacha-Lomita Jamul Julian Kearny Mesa Kensington La Jolla Lakeside La Mesa Lemon Grove Leucadia Liberty Station Lincoln Acres Lincoln Park Linda Vista Little Italy Logan Heights Mesa College Midway District MiraCosta College Miramar Miramar College Mira Mesa Mission Beach Mission Hills Mission Valley Mountain View Mount Hope Mount Laguna National City Nestor Normal Heights North Park Oak Park Ocean Beach Oceanside Old Town Otay Mesa Pacific Beach Pala Palomar College Palomar Mountain Paradise Hills Pauma Valley Pine Valley Point Loma Point Loma Nazarene Potrero Poway Rainbow Ramona Rancho Bernardo Rancho Penasquitos Rancho San Diego Rancho Santa Fe Rolando San Carlos San Marcos San Onofre Santa Ysabel Santee San Ysidro Scripps Ranch SDSU Serra Mesa Shelltown Shelter Island Sherman Heights Skyline Solana Beach Sorrento Valley Southcrest South Park Southwestern College Spring Valley Stockton Talmadge Temecula Tierrasanta Tijuana UCSD University City University Heights USD Valencia Park Valley Center Vista Warner Springs
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