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Old April 19th, 2016, 08:38 AM   #1121
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Quote:
Originally Posted by Kanadzie View Post

wow that's a highly tidal flow of traffic
could they install maybe a movable zipper there? If they could swing an extra lane or 2 even, assuming the central overpass piers won't interfere...
Yes the overpasses are the issue but hey, it may have to be considered in the future because I don't think there is much scope for widening after the current project due to development either side.
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Old May 8th, 2016, 10:36 AM   #1122
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Queensland – Warrego Highway, Toowoomba to Miles

Here is a project getting more than half a billion dollars’ worth of attention, more in dollars than Tasmania’s Midland Highway. The Warrego Highway forms part of the Brisbane-Darwin national highway link and this part of the world is agriculture and mining. Starting at the (to be built) Second Range crossing north of Toowoomba this section of highway is about 210km to the town of miles. Many of the small scale projects include widening, intersection redesign and upgrades especially around at industrial estates, making safe road for heavy vehicles, new concrete bridge.

Components of this highway upgrade include:
• $270m to duplicate road from Toowoomba to Oakey (roughly 30km)
• $79m for regular overtaking lanes between Oakey and Miles
• $115m to upgrade highway access points to the west and east of Dalby
• $16m level crossing upgrade at Chinchilla
• $35m to upgrade highway around Jingi Jingi Creek
• $36m widening on eastern approach to Chinchilla
• $24m widening / rehabilitation on western approach to Miles
• $40m road safety treatments

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Old May 8th, 2016, 10:39 AM   #1123
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Victoria – Monash freeway upgrade, outer south-eastern Melbourne

Victoria’s recent State Budget included funding of $400m for the Monash Freeway in the city’s outer south east.

The project’s components include:
• Widening the freeway from four to five lanes each way between Eastlink (M3) and the South Gippsland Freeway (M420) (blue section)
• Widening from two to three lanes each way between South Gippsland Freeway to Clyde Road, Berwick (red section)
• New ramp metering and traffic management solutions on this stretch of freeway

The Fed’s are offering to chip in extra money to extend the project towards Chadstone (closer to city) and to Cardinia Road (in Pakenham), we’ll see how this works out.

The funding is partly a compensatory measure to the Government’s new contract with Transurban, operators of Citylink. The new agreement allows for a ten-year extension on Citylink, allowing the company to collect tolls for longer than the original agreement; in return for funding towards the Western Distributor project, also getting the green light in the budget. The Western Distributor serves the western suburbs, not the south east; it would’ve been argued that the residents of the south east would pay for a project that they would not directly use.

This section of highway carries about 200,000 motorists per day and the projects allows for an extra room for 2000 vehicles in the peak. In parallel, but not included as part of the road upgrade, the railway line between Dandenong and Caulfield is also being upgraded in the 'skyrail' project, removing nine level crossings, elevated rail in three sections and about five stations rebuilt higher up.

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Old May 8th, 2016, 02:28 PM   #1124
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Is the route Toowomba - Brisbane going to be fully converted into 2x2 with grade separation?
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Old May 8th, 2016, 02:48 PM   #1125
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Quote:
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Is the route Toowomba - Brisbane going to be fully converted into 2x2 with grade separation?
I think it will be converted to 2x2, but grade separation of key interchanges only. Largely unused country lanes would still intersect at-grade with the highway, like the Hume Fwy in Victoria.
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Old May 8th, 2016, 04:31 PM   #1126
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This type of intersection:
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Old May 8th, 2016, 05:55 PM   #1127
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If you are going to have at-grade intersections with access through the fast central lane, better make them follow the "dog bone doulbe U-turn" model, I think. It avoid a direct frontal cross of through traffic.
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Old May 8th, 2016, 09:22 PM   #1128
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Quote:
Originally Posted by essendon bombers View Post
I think it will be converted to 2x2, but grade separation of key interchanges only. Largely unused country lanes would still intersect at-grade with the highway, like the Hume Fwy in Victoria.
I believe the route has been 2x2 for quite some years now
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Old May 9th, 2016, 06:57 AM   #1129
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Calder Highway - Ravenswood Interchange

Interesting design for a new interchange on the Calder Highway at Ravenswood, VIC. It incorporates a large diameter circulating road. I'm not aware of anything else quite like this in Australia.

https://www.vicroads.vic.gov.au/~/me...2015.pdf?la=en

Last edited by rohjoe; May 9th, 2016 at 07:08 AM.
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Old May 9th, 2016, 10:04 AM   #1130
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Quote:
Originally Posted by Suburbanist View Post
If you are going to have at-grade intersections with access through the fast central lane, better make them follow the "dog bone doulbe U-turn" model, I think. It avoid a direct frontal cross of through traffic.
So instead of turning traffic crossing one carriageway in one movement, you would make them cross two carriageways? That would be far more dangerous.
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Old May 9th, 2016, 10:05 AM   #1131
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Quote:
Originally Posted by rohjoe View Post
Interesting design for a new interchange on the Calder Highway at Ravenswood, VIC. It incorporates a large diameter circulating road. I'm not aware of anything else quite like this in Australia.

https://www.vicroads.vic.gov.au/~/me...2015.pdf?la=en
It's just a roundabout interchange. It's not anything special. There are plenty of these in Australia - mostly in Queensland.
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Old May 9th, 2016, 02:36 PM   #1132
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The near-perfect circle and large diameter makes it different to the Queensland versions that I've seen, but I agree the general principle is the same.
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Old May 9th, 2016, 03:15 PM   #1133
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Quote:
Originally Posted by lukeyp View Post
It's just a roundabout interchange. It's not anything special. There are plenty of these in Australia - mostly in Queensland.
I think the reason for the large diameter is so that heavy vehicles to/from the Calder Alternative Hwy have more gradual curves, therefore they can keep their speed up. However, looking at the VicRoads diagram, from Mildura to Melbourne (top right to left in diagram) it is quite curvy coming into the roundabout. Beats me why they don't have a simple flyover.
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Old May 9th, 2016, 03:16 PM   #1134
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Western Australia –Northern Highways

In Western Australia it is easy to overlook the road upgrades happening north of Perth given there is so much land and so few people.

The Great Northern Highway forms part of the inland direct national highway between Perth and Darwin. The Commonwealth and State Governments are co-operating on a number of projects in this corridor, beyond the outer reaches of Perth. The proposed Swan Valley Bypass finishes near Muchea. However, the next 217km to Wubin is being upgraded at a combined cost near $400m; to a similar standard I described in the Warrego Hwy post above. Although traffic levels don’t warrant upgrade to dual carriageway, the following projects are being undertaken:
• Highway realignment and widening
• Intersection upgrades
• Overtaking lanes
• Bypass of Norcia, about 130km north of Perth
• Floodway upgrades north of Wubin

The coastal North West Highways is also receiving $125m for works between Barradale and Minilya (half way up the coast).
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Old May 9th, 2016, 03:18 PM   #1135
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Melbourne – Western Distributor update

The Western Distributor has got the go ahead, Victoria even feels confident enough to go alone with the split funding with Transurban leaving the Commonwealth out in the cold.

Updated designs have been released with multiple options for key intersections available for public viewing, discussion and selection in the community consultation stage. Designs subject to change.

Key intersection issues are:
• Location of Spotswood tunnel portals at the western end of the project ( to the west or to the east of Williamstown Road)
• Location of Hyde Street ramps
• Dock access and the elevated road above Footscray Road
• Citylink ramps and the interaction the WD will have with numerous streets at the city end of the project

The design update shows a link between Dynon Road and Wurundjeri Way, creating an arterial road parallel to Footscray Rd, effectively creating a new city western bypass. I’d be interested to know the plans of the Dynan Road Connection, the existing Dynan Road bridge over the rail yards, just to the north of North Melbourne station. The bridge is old (1950s) and should be torn down. I would make a full diamond interchange of WW/DRC, both which will be new roads. On the Transurban website, there is a mock up photo to download available based on the current design projection. Kind of looks like Melbourne’s answer to the Bowen Hills interchange in Brisbane.

Can be found here: http://consult.transurban.com/wester...tion/documents
Download: Visual 1 aerial view (17.1 MB) (jpg) under Footscray Road

Between Spotswood and the ring road, the plans are for 3x3x3x3 formation with the middle carriageways non-stop lanes between the ring road and the WD & West Gate Bridge.

The scope map is not to scale.



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Old May 12th, 2016, 05:51 AM   #1136
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Quote:
Originally Posted by ChrisZwolle View Post
This type of intersection:
Looks dangerous and unsafe
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Old May 12th, 2016, 01:12 PM   #1137
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How so?
For an at grade intersection it looks like there has been much care taken in the design to maximise safety.
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Old May 12th, 2016, 05:58 PM   #1138
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Yeah that right there is best practice I believe.
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Old May 12th, 2016, 06:13 PM   #1139
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Perhaps there is a lack of an acceleration lane for merging traffic from the side road.

It is obviously less safe than a grade-separated junction, but that's inherent to an at-grade solution. Full control of access would not be economical.
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Old May 16th, 2016, 04:57 AM   #1140
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Pacific Highway Upgrade

The Frederickton to Eungai section of the Pacific Highway upgrade opens today. The completion of this section finally bypasses the site of Australia's worst ever road crash, which killed 35 people in 1989. The coroner who reviewed the accident recommended the upgrade. It's been a very long time coming.

http://www.abc.net.au/news/2016-05-1...=statenews_nsw

http://www.rms.nsw.gov.au/projects/n...gai/index.html
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