| 41. | The same trolleybuses was used in Florence and in Capua too.
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| 42. | Several other Canadian cities have operated trolleybus systems in the past.
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| 43. | Seven trolleybuses in the current VMCV fleet serve as reserve vehicles.
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| 44. | Use of trolleybuses on route 4 had ended some time earlier.
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| 45. | HKL sent again inquiries to 14 trolleybus producers in December 1976.
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| 46. | The trolleybus routes along Elm Grove ceased on 24 March 1959.
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| 47. | Makers of trolleybuses are listed separately at List of trolleybus manufacturers.
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| 48. | Makers of trolleybuses are listed separately at List of trolleybus manufacturers.
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| 49. | Trolleybus service was even started before closure of the tram network.
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| 50. | Security experts said were planted under the forward door of the trolleybus.
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