A key D.C. councilman has suggested increasing the District’s parking meter rates by 50 percent and perhaps start charging for Saturday parking, potentially raising millions more dollars for the city’s struggling coffers.

Ward 1 Councilman Jim Graham, who has oversight of the District’s parking meter operation, floated the idea Monday minutes before voting with his colleagues to eliminate a projected $131 million budget shortfall and to set aside $46 million more in a rainy-day reserve fund.