Promotional displays and activities, including amusement rides, street dances, concerts, live entertainment and promotional outdoor displays and sales. These activities may be conducted in any nonresidential district. Temporary signs are permitted with the approval of Planning Director. All display material, signs and related improvements shall be removed no later than 24 hours from the end of the activity. Sales areas shall be located where adequate parking is available and sight distances at intersections and driveways must not be obstructed.