Re: [melb] docklands tram line news

[Chris Brownbill <cbrnbill@enternet.com.au>]

Is there a 3-way tram junction in Melbourne in which all three routes support a
regular route (ie not just depot-bound runs)?  I can't think of one OTTOMH, so
maybe the Spencer/La Trobe intersection will be a first.

St Kilda junction is the closest - but its really two separate junctions -
although in the old days prior to the underpass maybe it was a 3-wayer.



Christopher_Martin GORDON wrote:
> 
> : > This same problem now exists facing Northbound trams in Spencer Street
> : > approaching La trobe St.  Since the new intersection was installed its a 3-way
> : > junction with no auto-points and city circle trams (route 35) turn right, Route
> : > 75 goes straight on to the terminus.  If the 86 goes to Docklands, it will use
> : > the new left turn and complicate operations further.
> : >
> : > Question - can a 3-way junction use auto-points?  (I know its not really 3-way -
> : > just two very close two-ways, but same question applies).
> 
> : Well there would be no problem with transponder-controlled auto points.
> : Not so sure about power-and-coast.
> 
> : I thought Melbourne's trams used transponders now at most junctions
> : except where point irons were still used?
> 
> I understand the points at Latrobe/Spencer Street are already power operated
> expect the control equipement for the trams doesn't work yet.
> 
> A three way cross will work (this is select Left, Right or Centre, most trams
> have this as the point switch now).
> 
> There are a couple sets of points around that still have the old power and
> coast, I can think of Victoria Market (north bound) and Port Junction.
> Port Junction is also a little different where a trolly pole will set up
> for left (to Port Melbourne and Southbank Depot) regardles of power and coast.
> 
> One last thing to the people that questioned my posting of the route 86
> changes about 3 weeks ago, sometimes I do get things right (but only some
> times).
> 
> --
> 
> Chris Gordon
> http://www.ecr.mu.oz.au/~cmgord
> 
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