notmtaemployee

6 ms·

1.
by notmtaemployee 4y ago
A couple of thoughts: The approach you describe to measure speed from the motor position is essentially what subway cars use. Ignoring wheel slip, which is not a rare phenomenon, this approach works very well. However, when you defer mainte
2.
by notmtaemployee 9y ago
The subway used to be controlled by the city which lead to politicians keeping the fairs intentionally low to gain popular support. In 1968 the city could no longer afford fund the subway and it was transferred to newly created Metropolitan
3.
by notmtaemployee 9y ago
The MTA's problems begin and end at a weak senior management unwilling to standup to Cuomo's frivolous micromanagement and a transit union unwilling to modernize. Politicians should be pushing for serious procurement and labor wor
4.
by notmtaemployee 9y ago
When NYCT overlay's CBTC signalling on a line the block wayside system is upgraded at the same time and the two systems work in tandem. This allows non-CBTC equipped trains to operate over CBTC controlled territory and the wayside syst
5.
by notmtaemployee 9y ago
The MTA's problems begin and end at a weak senior management unwilling to standup to Cuomo's frivolous micromanagement and a transit union unwilling to modernize. Politicians should be pushing for serious procurement and labor wor
6.
by notmtaemployee 9y ago
They run Windows NT 4 on the mvm and even have a custom badged start up screen http://salim.virji.net/pix/transit/mta/crashed_metrocard_ven... The OS/2 stuff is used on the back end of the metro card sys
7.
Formal Proofs Used on the NYCT Flushing Line CBTC Project(tools.clearsy.com)
3 points by notmtaemployee 9y ago|0 comments
8.
by notmtaemployee 9y ago
Having more and tighter blocks is a distraction, it requires significant maintenance of way (MOW) resources and track time access which is limited to begin with in systems like New York. The real solution is deploying moving block signals b
9.
by notmtaemployee 9y ago
For what its worth you can run a red signal if you go slow enough over the trip, however doing this without approval from rcc will get you suspended or more
10.
Key to Improving Subway Service in New York? Communications-Based Train Control(nytimes.com)
2 points by notmtaemployee 9y ago|0 comments
11.
by notmtaemployee 10y ago
Generally its the opposite, technology developed by the military is co-opted by the civilian sector. Anyways all these new "AI" memes don't change anything, the weapons are just as lethal as they are today. All that's ch
12.
by notmtaemployee 10y ago
The MTA actually doesn't run a deficit, both their operational and capital budgets are fully funded. The MTA overall is pretty fiscally responsible (im sure you can always find more waste to cut, but that's true of any organizatio
13.
by notmtaemployee 10y ago
Platform doors are generally installed when you install modern signalling (CBTC) onto a line, which much of the NYC subway does not have. CBTC equipped trains can operate under Automatic Train Operation (ATO) meaning that trains can be made
14.
by notmtaemployee 10y ago
Platform doors are not just for preventing falls onto the right of way, they also help to reduce litter, reduce delays due trains coming into stations slowly because of overcrowding and allow stations to be air conditioning.
15.
by notmtaemployee 10y ago
EzPass toll tags being read outside toll areas is very common through out the tri-state area. The project mahyarm mentioned below is called "Midtown in Motion" where the tags are used to control the traffic light timing dynamicall
16.
by notmtaemployee 10y ago
Which cars are you referring to?? The new haven line M8's are some of the newest rail cars in the country, if not the newest. I know there are some M2 sets still sometimes used but those will be replaced once the 30-60 some odd bar car