"Services between London and Swansea currently operate at a frequency of only one train an hour off-peak, " he added.

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See if you can start work at an off-peak time to avoid rush hour, or explore whether telecommuting may be an option.

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The first customers for Marseilles will be paying about euro62 for an off-peak single ticket, or euro75 at rush-hour.

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During rush hour, trains arrive every two minutes and off-peak, they arrive every five, making commuting and travelling around the city convenient to residents and tourists alike.

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In its simplest form, it lets your "smart" electric meter talk back to the utility and record your usage by hour, so you can adjust your habits to take advantage of lower, off-peak rates.

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