Quote:
Originally Posted by twoNeurons
Unless they plan a massive system change, I don't see trolley wires in the future. With low-pollution hybrid buses and quiet electric buses (battery-driven) just around the corner, what are the advantages of trolleys?
Trolley wires tie you to a system with little ability to upgrade for capacity. It's not as if trolley buses can carry more people.
They work in cities with established networks, because they have the infrastructure.
If you're going to string up trolley wires, you might as well lay track as well... and that's called LRT... a system that has advantages in that it can be upgraded for greater capacity down the road... or "rail" if you prefer.
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Trolleys will always be the most energy efficient system when it comes down to it though, and after capital costs will have the lowest cost of maintenance and operations.
Battery powered busses are a
long way off I'd say and in my opinion hybrids really aren't anything all that special unless you're in stop and go traffic all the time.