
Re-introducing them now would be expensive. Yet their unhampered progress (on unshared track, that is) would be a genuine carrot to tempt drivers away from cars at rush-hours. Unlike buses which suffer the same traffic jams as cars.
Pittsburgh had a tram system when I lived there (1966 – 1972). It was ramshackle but did the job. It did share downtown roadspace with cars; however drivers were uneasy when a tram loomed up in the rear mirror and did their best to get out of the way.
Hanover, in northern Germany, has a permanent site for huge industrial exhibitions. The modern tram system there is ideal for coping with temporary population surges.
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