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Discussion Starter #1 (Edited)
The Westlink M7 is the largest urban infrastructure project in Australia and will augment Sydney's rapidly growing and increasingly more complex road system. It also acts as a major thoroughfare for interstate traffic travelling through Sydney from the south, west and north.

Facts

40km of motorway will link three of Sydney's major motorways into the city; the M5 in the south, the M4 in the west and the M2 in the north.


The M5 interchange will greet interstate travellers from Victoria and south-western NSW as they enter the M5 East Motorway into inner Sydney and the International Airport.

176 bridges and 38 under-and-over passes will be constructed. There will be numerous interchanges to connect the M7 to local roads, highways and the other motorways.


A 40km off-road shared cycle/pedestrian pathway traverses the motorway and connects with the Sydney Cycleway network.

The motorway will be completely tolled electronically with no slowing or stopping.

The M7 will allow motorists to avoid up to 56 sets of traffic lights across Western Sydney and will act as a major north/south freight corridor along the Eastern Seaboard.

A predicted 60000 vehicles a day will be removed from local roads, including 10000 heavy vehicles.

7000000 cubic metres of material will be moved during the earthwork phase.

460000 cubic metres of concrete pavement to be laid with 12000 tonnes of reinforced steel. There will be over 2000000 square metres of landscaping.

The intersection of the M7 with the M4 will be called the Light Horse Interchange to honour WWI veterans and will allow motorists from every direction to travel between the two motorways without any slowing or stopping.

When completed, the interchange will become the largest interchange in the southern hemisphere. Two major balanced-cantilever bridges will carry the M7 over the M4 and three levels of onramps will connect the two motorways. Construction of the interchange will be very visual as the awe-inspiring development reminiscent of those in American cities takes place over the next twelve months.
 

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How much is this project going to cost? It looks like an absolutely massive infrastructure project. Any maps of where it is going and where it will run?
 

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Will anything be done to the end of the f3?

It should be extended along Pennant hills road and join up with the m2
 

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Sydney: World's best city
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AG said:
How much is this project going to cost? It looks like an absolutely massive infrastructure project. Any maps of where it is going and where it will run?
The project will cost $1.25 billion. Also here is a link to view a map of the route.
http://www.wso.net.au/MapsBrochures-Map.asp#

For those who want to find more information on the orbital, here is a link to the offical website

http://www.wso.net.au/
 

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Cee_em_bee said:
Will anything be done to the end of the f3?

It should be extended along Pennant hills road and join up with the m2
Still 'on the drawing board'. Much like most of Sydney's incompleted road/rail projects. However, there are plans for a tunnel under Pennant Hills Road, from Pennant Hills Road Exit ramp to join up @ the existing F3
 

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the M4 - M7 intercahnge will look so cool when they add the lightening effects!, when i was going past the construction site for the m5 - m7 most of the landscaping is done and the constrcution of the overpasses have started.
 

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Will we have to pass a test before we are allowed to use the M4-M7 interchange? Will all drivers have to be accompanied by a trained guide? Will I need valium, a passport and a change of underwear?
Talk about a spaghetti interchange!!!!
 

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It's a stack interchange. nothing hard about it. 1 AD and 1 ID sign for each 'exit' should do it.
 

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AD on the M4 would need to be a double fork, to show Walgrove Road as well. But fork signage I don't think would impart well that the exit is for both M7 NB and M7 SB, ditto for M7 to M4 WB and EB. A diagramatic AD sign would be better and a gantry on each exit ramp at the splitting into two ramps.
 

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It's a stack next to a diamond. And hornetfig, your point is an interesting one re the need for a double fork AD sign.
Syd-HK, by double fork, he means one of these signs:


But I don't think a gantry is needed to designate the splitting of the ramp into NB & SB (when exiting from M4). Something like this would be adequate:
 

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true, although that style of signage is no longer used at exits, it can be brought back.


Oh, and that's that double fork sign I mean just about 5x bigger! lol
 

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well, what do you want to know? The M4 and M5 interchanges have major bridgeworks about to commence that (involving night roadworks and carriageway closures). The M5 offramp to SR89 (Camden Valley Way) at the Crossroads is about to be moved onto Beech Road.

The Phillip Parkway has been shifted onto the new M7 carriageway and the old carriageway will be ripped up and relaid.

That's about it. Service relocation, bridge construction, pavement and landscaping occuring at various points along the corridor
 

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update [from me of course !]
m5-m7 intercahnge

-flyovers starting to be placed onto supports [only like 5 ~ 10m of it on certain supports]
-merging lanes added [not in use yet]
-lightening for teh interchange added
-traffic lights added for the exit
-the m5 carriageways ahve been shifted to their new positions

-NOTICE-
there will be a closure on M5 sometiem soon, in between hume highway exit and camden valley exit.
 
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