MINISTERIAL CHANGES Since the resignation from Cabinet of Mr. Rex JOURNAL OF THE DEPARTMENT OF MAIN ROADS, NEW SOUTH WALES Jackson, who was Minister for Roads up to 27 October 1983, the Hon. L.J. Brereton, M.P., the MARCH 1984, VOLUME 49 NO.l ISSN 0025-0597 Hon. G. Paciullo, M.P. and the Hon. P.D. Hills, M.P. have successively held the portfolio of Minister for Roads. Mr. Hills was sworn in on 10 February 1984. CONTENTS Patrick Darcy Hills was born on 31 December 2 MINISTERIAL CHANGES 1917 and educated at Marist Brothers College, 3 $5 BILLION ROAD PROGRAMME SYDNEY REGION Darlinghurst. From 1948 until 1956 he served as - Berowra to Wahrwnga Section of F3 an Alderman of the Sydney City Council. He was 4 - Widening of Pennant Hills Road Lord Mayor of Sydney from 1952 to 1956. In - Duplication of Ryde Bridge addition, Mr. Hills was a member for the Sydney 5 - New Pymble Interchange County Council 1949-54. He held the position of - Duplication of Tom Uglys Bridge Chairman in 1952. 6 - Regentville Bridge Duplication Mr. Hills has been the Member for the electorate of 7 - F5 from Casula to Beverly Hills Elizabeth (formerly Phillip) since 1954. He was the 8 - Arterial Route between Liverpool and Wentworthville Minister Assisting the Premier and Treasurer in - Continuing Western Region Roadworks Programme 1959; the Minister for Local Government and 10 $5 BILLION ROAD PROGRAMME: ILLAWARRA REGION Highways 1959-65 and concurrently Deputy - Extension of F6 to Yallah Premier 1964-65; the Deputy Leader of the - Kiama Bypass Parliamentary Labor Party 1965-68 and Leader 11 $5 BILLION ROAD PROGRAMME HUNTER REGION 1968-73;the Minister for Mines and Energy 1976; - New Bridge over Hunter River at Singleton the Minister for Industrial Relations, Mines and 12 -Hexham Bridge Duplication Project Energy 1g76-78; the Minister for Industrial 15 - F3 from Wyee to Wallsend Relations, Technology and Energy 1978-80; the Minister for Industrial Relations and Energy 16 $5 BILLION ROAD PROGRAMME: COUNTRY REGIONS 1980-81; the Minister for Industrial Relations and - Improvements on Hume Highway Technology 1981-84; and now, Minister for - F3 from Calga to Ourimbah Industrial Relations and Roads. 17 - Two New Bridges for Tweed Heads Area We congratulate Mr. Hills on his appointment as 18 - Three Bridges over the Murray River Minister for Roads. 20 CONSTRUCTION AND MAINTENANCE OF PAVEMENTS 30 TENDERS ACCEPTED BY COUNCIL5 AND DEPARTMENT Issued by the Commissioner for Main Roads, B.N. Loder Price one dollar. Annual subscripiion four dollars port free. Editors may use information contained in this Journal unless specifically indicated io the contrary. provided the exact reference thereto is quoted. Additional copies of this Journal may be obtained from the Public Relations Section, Department of Main Roads, 309 Castlereagh Street. Sydney, New South Wales, Australia. Typeset by Koyret Phototype Pty. Ltd Printed by Blake & Hargreaves. 2 MAIN ROADS, MARCH 1984 ~ - $5 BILLION ROAD PROGRAMME New South Wales’ roads received a great in reduced travel times, lower vehicle The overall work will involve nearly four boost in September 1983 when the costs and reduced accident costs. million cubic metres of earthworks and Premier, Mr. Neville Wran. Q.C.. an- the construction of 14 bridges. Furthermore, an additional 8.000 jobs nounced a $5 billion road programme. will be created in the State’s road The freeway will be constructed in cutting The roadworks are being undertaken construction industry as well as associa- to the maximum feasible extent to reduce throughout New South Wales and they ted industries supplying equipment and both visual and noise impact on adjacent will be completed over the next five materials. properties. The use of noise barriers will years. also be considered. This article features a number of major The prime objective of the programme is works being undertaken within the pro. The natural environment will be pro- the improvement of the State’s arterial gramme. Future issues will contain more tected with special measures to control road system. New construction work will detailed accounts as projects near com- erosion and preserve natural vegetation. absorb about $3.5 billion, with the pletion. The year 1988 will see a higher Erosion controls include minimal veg- balance being directed to maintenance. standard road system that will benefit the etation clearing, sediment control, rock The works will double the present 170 whole of New South Wales. facing of embankments, lining open kilometre length of freeway standard drains, mulching and accelerated roads. They will provide a sealed surface SYDNEY REQlON revegetation. to more than 250 kilometres of gravel Natural vegetation will be preserved by road and will reconstruct in excess of Berowra to Wabmooga minimising disturbance, controlling 1,000 kilometres of pavement. %CtlOD Of FS stream velocities and topsoiling, seeding It has been estimated that the expendi- In 1979 the Australian Government and mulching after construction. Native ture of these funds will result in annual approved the National Highway system flora will be encouraged, especially in savings to the community of $800 million being extended from Berowra to landscaped areas. Wahroonga. This was based on the grounds that Pennant Hills Road and the A contract has been awarded to Pearson Pacific Highway near Pearces Corner at Bridge Pty. Ltd. for construction of the Wahroonga provide the first acceptable Edgeworth David Avenue bridge over the loading and dispersal points for freeway Freeway at Wahroonga. traffic. The overall project is planned for com- The New South Wales’ Government has pletion during the 1988/89 financial year approved the location of this work at an estimated cost of $65 million. between Wahroonga and Mt. Colah, and an early decision is to be made on the Wideoimg of Peooamt Hills Road section north of Mt. Colah to permit Work commenced recently on the widen- completion of the whole length within four ing of Pennant Hills Road over the 6 km years. length between Beecroft Road, Pennant The proposed route commences near Hills and Pearces Corner, Wahroonga. Pearces Corner, the intersection of the The work is expected to take about five Pacific Highway and Pennant Hills Road, years to complete at an estimated cost of and connects with the existing Freeway at $36 million. Berowra. Improvement of this length will comp- Interchanges are proposed at Mt. Colah lement the extension of the F3 - (Ku-ringgai Chase Road). Windy Banks Sydney-Newcastle Freeway south from and Berowra. Overpasses will cross the Berowra to Pearces Corner, by facilitat- Freeway at Alexandria Parade and ing the loading and dispersal of traffic. Edgeworth David Avenue, Wahroonga; There will be three lanes in each Church Street and Harwood Avenue, Mt. direction, each 3.4 m wide with a 1.5 m Ku-ringgai; and Cowan Parade, Berowra. median. Right turn bays will be provided Dual carriageways will be provided for at intersections. the full length. From Pennant Hills Road Bridgeworks to be undertaken include the at Wahroonga to Ku-ringgai Chase Road widening of the Pennant Hills Railway at Mt. Colah the carriageways, each overbridge to six lanes and the construc- 11.1 m wide, will have three lanes. From tion of a footbridge at Normanhurst, Ku-ring-gai Chase Road to Berowra the adjacent to the public school. carriageways, each 7.4 m wide, will have two lanes. The effect of the route on adjacent MAIN ROADS. MARCH 1984 3 property is substantial but unavoidable. It lies along the ridge between Lane Cove River and Berowra Creek headwaters, and there is no practical alternative to link the western and northern regions of Sydney. When completed the work will considerably reduce traffic on adjacent local streets. Dmpiiutiom of the &id- over Parrwtta Pivor at Ubn Poimt, Ryde The existing Ryde Bridge is a 328 m long, three lane steel truss and girder bridge with a footway on the upstream side. The bridge provides for three lanes of traffic under a 2/1 tidal flow arrangement. The direction of travel in the central lane is controlled by movable medians which operate automatically in response to I traffic demand. However, delays in peak The needs of river traffic in the area have hour are still common and construction of Etc.H..---=t- been provided for in the design of the new a duplicate bridge is proposed to alleviate .-t&p-.~,,,.,. bridge. River traffic generally passes these problems. - under the three main span openings of the The new bridge will carry southbound existing bridge and similar size openings The need for the interchange is evident traffic. It will be located immediately have been provided in the duplication. because of: downstream of the existing structure Approach spans in the new structure are which will be retained to carry approximately twice the original length of 0 long delays experienced at the intersec- northbound traffic the existing spans, thereby reducing the tion during peak hours; number of piers. New piers will be aligned a high accident rate at the site; It is proposed to construct a 334 m long bridge, with continuous steel trough where practicable with existing piers, 0 the constraints currently imposed on again for the convenience of river traffic. girders and a concrete deck. The deck vehicle movements. section provldes for a three lane The duplicate bridge will be completed Future traffic growth will exacerbate the carriageway of 11.4m between kerbs during 1987. present situation. and there will be a 3.6 m wide shared Design pedestrian walkway and cycleway on the New Pylbk Irtercbanse downstream side of the structure. A two level interchange is proposed with Work is about to commence on an Mona Vale/Ryde Road passing under the interchange at the intersection of the Pacific Highway.