National Boards > General Highway Talk

"The highway where trucks work like electric trains"

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Bruce:

--- Quote from: MikieTimT on November 27, 2021, 05:57:03 PM ---
--- Quote from: bwana39 on November 27, 2021, 11:17:19 AM ---The city busses in  San Francisco operate like this.

https://www.sfgate.com/bayarea/article/Muni-trolley-wire-visual-pollution-electrifies-5056671.php

--- End quote ---

Seattle has some routes with electric buses as well.  I seem to never see more than a couple of people on them at a time, albeit, I may not be seeing them at peak times when I visit my brother.

--- End quote ---

In pre-COVID times, they were packed on weekdays but have "good enough" frequency to not leave riders stranded. This blog post has some of the March 2019 and March 2020 average weekday ridership stats, which I'll copy below for the respective trolleybus routes:

Route 7 - 10,981 (2019) - 11,193 (2020)
Route 36 - 9,407 (2019) - 9,037 (2020)
Route 44 - 9,783 (2019) - 8,390 (2020)
Route 70 - 9,050 (2019) - 7,100 (2020)

The other trolleybus routes (1, 2, 3, 4, 7, 10, 12, 13, 14, 36, 43, 44, 47 [suspended], 49, and 70) have their ridership updated in system evaluations.

The trolleybuses do require extra awareness while driving to keep the contacts on the wire, as they can and will dewire on tight turns. The driver then has to get out and manually rehook them (though the newer gen of buses can use battery power to scoot out of an intersection).

kernals12:
Indiana and Michigan will be testing out something like this except the electricity comes from the concrete instead of overhead wires.

SkyPesos:

--- Quote from: kernals12 on December 01, 2021, 03:09:12 PM ---Indiana and Michigan will be testing out something like this except the electricity comes from the concrete instead of overhead wires.

--- End quote ---
Will it work like catenary free trams, where there’s a “power rail” (for the lack of a better term) on the ground, and only powered when a truck’s collector shoe is over it?

kernals12:

--- Quote from: SkyPesos on December 01, 2021, 03:17:11 PM ---
--- Quote from: kernals12 on December 01, 2021, 03:09:12 PM ---Indiana and Michigan will be testing out something like this except the electricity comes from the concrete instead of overhead wires.

--- End quote ---
Will it work like catenary free trams, where there’s a “power rail” (for the lack of a better term) on the ground, and only powered when a truck’s collector shoe is over it?

--- End quote ---
No, it's contact free, like those inductive cell phone chargers.

kalvado:

--- Quote from: kernals12 on December 01, 2021, 04:04:42 PM ---
--- Quote from: SkyPesos on December 01, 2021, 03:17:11 PM ---
--- Quote from: kernals12 on December 01, 2021, 03:09:12 PM ---Indiana and Michigan will be testing out something like this except the electricity comes from the concrete instead of overhead wires.

--- End quote ---
Will it work like catenary free trams, where there’s a “power rail” (for the lack of a better term) on the ground, and only powered when a truck’s collector shoe is over it?

--- End quote ---
No, it's contact free, like those inductive cell phone chargers.

--- End quote ---
And works nice for electric scooters parked 8nto the rack

On a serious note, overhead wires limit vertical clearance for oversized cargo in a very unforgiving way.  That may be another thing to think about.

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