Longmont City Council members expressed their unanimous support Tuesday night for a proposal to close one lane of Main Street in either direction between Third and Sixth avenues, starting sometime in July and possibly lasting through the end of September. Technically, the Council members’ actual vote was to approve a resolution between Longmont and the Colorado Department of Transportation for a special use permit for restaurant and retail use of part of the right-of-way of Main Street, which is also U.S.