Stephen Hammond Share this specific contribution Share a link to this specific contribution: Share contribution 1 on Twitter Share contribution 1 on Facebook Share contribution 1 via Email Copy link to contribution 1 to clipboard Copy link To ask the Secretary of State for Transport whether the RP plus one per cent. formula for regulated fares may result in a negative number. (256015) Paul Clark Share this specific contribution Share a link to this specific contribution: Share contribution 2 on Twitter Share contribution 2 on Facebook Share contribution 2 via Email Copy link to contribution 2 to clipboard Copy link Yes, the RPI plus 1 formula for regulated fares may result in a negative number.