Requires a county with a population of two hundred fifty thousand or less, in collaboration with the Department of Transportation to establish a Summer Streets Pilot Program that closes vehicular traffic and repurposes roads for pedestrian and cyclist use, outdoor events, and other community-driven activities. Requires a participating county to submit an initial proposal to the Director of Transportation. Requires reports to the Legislature. Appropriates funds. Repeals on 6/30/2027. Effective 7/1/3000. (HD1)