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More software issues lead to return of flaggers along RTD A Line ( Denver )
Ch 2 news ^
| AUGUST 28, 2018
| EVAN KRUEGEL,
Posted on 08/28/2018 8:10:08 AM PDT by george76
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To: Olog-hai
It is also important to notice that there are some gate crossing devices have been in place for nearly 100 years. Those don't use software.
Railroad equipment of old was made to last. The relays in those old things have contacts the size of nickels for handling 24V @ 200mA.
21
posted on
08/28/2018 10:41:28 AM PDT
by
GingisK
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