Christopher Martinelli, 32, of Henry Street, Greenwich, is charged with driving under the influence, second-degree assault with a motor vehicle and failure to drive right.
Police said Martinelli crossed the yellow line and crashed head-on into another car at Howe Avenue and Park Street on May 17.
The injuries were not life-threatening, police said.
Martinelli's bond was set at $2,500 for an appearance in Derby Superior Court.
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