The question seeks to compare the costs of roundabouts versus traffic lights at standard intersections, including construction and ongoing maintenance. The answer provides no specific figures, citing variable factors.

AnsweredQoN 2898Legislative Council
Asked
18 March 2015
Portfolio
Transport

QuestionView source ↗

(1) What is the average cost of building a roundabout and associated traffic treatments at a standard cross road intersection? (2) What are the ongoing annual maintenance cost of a roundabout? (3) What is the average cost of installing traffic lights and associated traffic treatments at a standard cross road intersection? (4) What are the ongoing annual maintenance cost of traffic lights?

AnswerView source ↗

Answered
5 May 2015
Responded by
Parliamentary Secretary representing the Minister for Transport
Response time
48 days
(1)-(4) Construction costs will vary depending on a number of factors including individual site characteristics, the cost of land and of relocating existing utilities along the affected road verges to suit the proposed new road geometry.

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