Question on Notice regarding average peak-hour travel speeds on Leach Highway in Perth, comparing 2025 and 2017 data. The answer provides specific speeds between Carrington Street and Tonkin Highway.

AnsweredQoN 1049Legislative Council
Asked
3 December 2025
Portfolio
Transport

QuestionView source ↗

I refer to traffic on major Western Australian roads, and I ask: (a) as of 30 June 2025, what was the average weekday peak-hour travel speed for each of the following locations and times: (i) Leach Highway, AM, Westbound; (ii) Leach Highway, PM, Westbound; (iii) Leach Highway, AM, Eastbound; and (iv) Leach Highway, PM, Eastbound; and (b) what were the same figures in (a), as of 30 June 2017?

AnswerView source ↗

Answered
24 February 2026
Responded by
Parliamentary Secretary to the Minister for Transport
Response time
6 days
Between Carrington Street and Tonkin Highway:
( a)        (i)         46.2 km/h
(ii)              43.4 km/h
(iii)            47.1 km/h
(iv)             46.0 km/h
(b)        (i)         47.0 km/h
(ii)              47.1 km/h
(iii)            47.7 km/h
(iv)             47.5 km/h

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