Materials

King William Road is 2.2 km long, commences about 2 km to the south of Adelaide's central business district and passes through the suburbs of Unley, Wayville, Goodwood, Hyde Park and Unley Park. The northern third passes through a mixed commercial / residential area, the central third through a shopping...

The Metropolitan Transit Authority of Victoria (MTA) operates a fleet of about 685 electric passenger tramcars, over a street network of some 220 km of single track in Melbourne. The MTA also operates about 290 diesel buses, over a network of about 270street-km. Together, the two systems make more than...

Roundabouts are being constructed to provide improved traffic facilities at a variety of intersections ranging from local collector/distributor roads to arterial roads and highways. They increase overall community amenity by reducing traffic speeds and accidents — by limiting the number of conflict points the potential for collisions is reduced and...

The Brisbane City Council is responsible for maintaining approximately 5000 km of road. A Pavement Management System was developed in 1977 to formulate policy on the effective funding for the maintenance and rehabilitation of road pavements. Through this system all streets are visually assessed and classified with regard to surface...

During 1990 large inland areas of Queensland and New South Wales were devastated by severe floods. Considerable media attention was devoted to the effect of these floods on people and their property. Evacuation, flood-relief oDerations and subseauent rehabilitation of towns damaged by the floods were widely reported. One element of...

Over the last twenty years municipal planners have gradually accepted the need to plan and implement cycleways for commuter and recreational use. This year saw the release of the new edition of Guide /o Traffic Engineering Practice. Bicycles by AUSTROADS. This technical publication was written with the cooperation of all...

About 2700 delegates attended the five-day Congress which consisted of plenary sessions, committee reports and technical tours. The Association’s national infra— structure engineer attended the Congress to assess the relevance of new road technology for Australia. The Congress was organised by PIARC (a more detailed explanation of PIARC can be...

When the owners of properties fronting Roma Parade in the Shire of Sherbrooke, Victoria requested construction of their private road, it posed real problems for the Shire’s designers. Roma Parade is very steep havi ng a 67 metre fall in level over its 248 metres length. Their final design included...

The road transport system is a valuable and essential part of Australia’s infrastructure in which we all have an enormous stake. However, infrastructure is a long- term investment in the future and consequently receives little attention from the public unless something goes wrong or individually, we are affected by delays...

Throughout Australia, concrete safety barriers are being used to improve the safety of existing roads and to provide a built-in safety feature in new roadways. When used as med ian barriers, their most common ro ]e, they minimise the risk of head-on collisions, the type of accident which accounts for...

The Adelaide City Council has recently made extensive use of concrete interlocking block paving in several projects. Landscape design principles were applied in the improvement of several inner-city, largely-residential streets where the aims were to improve their appearance and to make them safer for pedestrians. The two major projects were...

Concrete is being increasingly used in the Sydney area to provide a sub-base for flexible road pavements. Typically, the pavement comprises 150 mm of plain concrete sub-base beneath a conventional roadbase and a surfacing of asphaltic concrete. Figure 2 shows the general form of pavement construction. The concrete sub-base provides...