Originally Posted by You Need A Thneed
Calgary's U2 LRVs have many more kms on them, plus are less sheltered. You can only stretch a lifespan so far.
The avg. Buffalo Metro Rail Tokyu car has 812k miles or 1.3M kms
But both Edmonton and Buffalo's systems are more sheltered due to underground stations where LRT acts more like a subway. Most of Buffalo's single 6.4mi/10.3km (never finished) line is like this and there are least a few underground stations of Edmonton's LRT.
It took me a while to realize that fact
So I'm convinced that new (SD160NG) is the way to go, but wish the U2's would get a second life somewhere.
still not sold on low floor LRV's though that can't be tied into the rest of the system