News for hackers. Stuff that matters.

A comment on Why autonomous trucking is harder than autonomous rideshare. Parent comment

Re:Why autonomous trucking is harder than autonomous rideshare by throwaway2037 on Sunday January 14, 2024 @10:32PM (#38997172)
> The problem is that you need to grind rails to have a rounded top or they screech (and wear out train wheels), but BART doesn’t bother.

I just Googled for <<does bart grind tracks and wheels?>>

Plenty of hits indicating that, yes, BART does grind tracks and wheels.

> was quiet when new

Do you mean in 1974 it was quiet? I tried to Google for any evidence of this and I can find nothing.

[ Parent | on HN ]
Re:Why autonomous trucking is harder than autonomous rideshare by Groxx on Sunday January 14, 2024 @10:57PM (#38997304)
"does not screech horribly" isn't particularly noteworthy, to be fair
[ Parent | on HN ]
Re:Why autonomous trucking is harder than autonomous rideshare by mikrotikker on Monday January 15, 2024 @03:05AM (#38998441)
I got a friend who did the first grind ever in NZ a few years back, they borrowed the grinder locos from Aussie. Every train driver he talked to commented how amazingly better the rails were after grinding.
[ Parent | on HN ]