3 ms·
The stones must be good reflectors of noise, which makes the ballast rather undesirable under trams in cities. I wonder why is it still used in such circumstanc
by guy98238710 3y ago
The stones must be good reflectors of noise, which makes the ballast rather undesirable under trams in cities. I wonder why is it still used in such circumstances instead of having noise-absorbing soil and grass under and around the tracks as is sometimes done.
- iggldiggl 3y agoBallasted track is cheaper to build, so somebody needs to be willing to fund the difference in costs. This especially applies to existing infrastructure, where it's more likely than an upgrade to green track might have to be funded by the municipality alone.