When it came to overall customer satisfaction levels, Heathrow Connect came in the top three at 94%. But the same operator saw a marked fall in its value for money rating - dropping 6% over the last year to 52%.
First Capital Connect (81%) and Southern (82%) were among the lowest-rated for overall satisfaction - at 81% and 82% respectively.
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The pathologist described the injuries as similar to those usually seen in a car crash.
Unlike in the countryside peregrines have no predators in the city and their numbers are on the rise.
You can help keep an eye out for the capital's worst potholes by reporting them on an interactive map.