DescriptionRiverside International Raceway 1980.svg
English: A diagram of the Riverside International Raceway motor racing circuit c. 1980, following the reprofiling of Turns 1 and 9 and the relocation of the pit road from the west to the east side of the start-finish straightaway. Circuit outline per USGS map sheet DMA 2551 IV NE-SERIES V895 (1967, Photorevised 1980). Turn numbers per contemporary race program diagrams.
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