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| Fifty years ago trolleybuses like this one operated service 37 northwards from the city centre to Haydn Road. |
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| Today a completely different service 37 runs to the Queen's Medical Centre in the west of the city. |
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| Service 39 was a cross city service from Wollaton Park to Carlton along main roads. |
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| Today's 39 runs from the city to Carlton Valley but wanders round housing areas and does not follow the old trolleybus route. |
