| 31. | The trolleybus system is the second-oldest in South America.
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| 32. | For Valpara�so, ENT had purchased 30 new trolleybuses from Pullman.
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| 33. | Trolleybuses served the London Passenger Transport Area from 1931 until 1962.
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| 34. | Another 10 years passed before the next trolleybus line was opened.
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| 35. | There were nine routes, 65 trolleybuses, and 700 workers.
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| 36. | By that year, there were 10 trolleybus lines in Lausanne.
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| 37. | It was the first low-floor trolleybus vehicle in Switzerland.
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| 38. | The remaining trolleybus lines were renumbered as lines 1 and 4.
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| 39. | At the beginning of 1963 the active fleet included 273 trolleybuses.
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| 40. | Several other trolleybus routes were subsequently established in the eastern suburbs.
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