ORANGE COUNTY’S BUSIEST FREEWAYS IN 1987
Freeway/Location . . . Daily Average Number of Vehicles Counted 1. San Diego (Interstate 405)--at Seal Beach Boulevard . . . 284,000 2. Interstate 5--south of its juncture with the San Diego in Irvine . . . 262,000 3. Orange (California 57)--north of the junction with Riverside (California 91) . . . 233,000 4. Riverside (California 91)--east of Lemon Street in Anaheim . . . 210,000 5. Costa Mesa (California 55)--south of the Santa Ana (I-5) interchange . . . 202,000 6. Garden Grove (California 22)--west of the Santa Ana interchange . . . 174,000 7. Corona del Mar (California 73)--south of Costa Mesa interchange . . . 73,000
Source: Caltrans
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