The cost of a single Tube journey in zone 1 in central London is to increase by up to 7.1 per cent - about double the current rate of inflation.
Zone 1 peak fares will increase by 6.9 per cent, from £2.90 to £3.10, while off-peak fares - including those made at the weekend - will increase by 7.1 per cent, from £2.80 to £3.