March is a busy month for congressional leaders representing Forsyth County. District 7 U.S. Rep. Rob Woodall and District 9 U.S. Rep. Doug Collins, both Republicans, have released upcoming mobile office hours and town hall meetings in and around the county.Woodall, a Lawrenceville resident whose district includes the southern half of the county, will spend about an hour March 23 updating his constituents at the Lanier Technical College Forsyth Conference Center.Prior to that event, Woodall will also hold two telephone town hall meetings. The first is on Tuesday and the second March 19.