Impact of speed humps in City of Fremantle

To improve safety, Fremantle City Council recently installed speed humps on two major arteries.
South Terrace feeds into the city and features cafes and art galleries with high volumes of pedestrians and cyclists. The street was equipped with short, temporary bumps to discourage speeding and improve safety for vulnerable road users.
Ord Street, on the other hand, is a highly trafficked thoroughfare with higher volumes of heavy vehicles. With a community pool and historic Art Center on opposite sides of the road, pedestrians and cyclists are also present at the site. To calm traffic in the area, the COF has installed longer permanent bitumen humps.

 Why Install Speed Humps

From the MRWA guidelines: Road humps are used to moderate vehicle speeds by the introduction of vertical displacement either in the form of a raised curved section constructed across the line of a carriageway or a raised plateau structure.
With a permanently installed traffic counter installed at the Ord Street site, changes to traffic following treatments can be directly measured in terms of speed reduction, volumes by classification (looking particularly at the numbers of heavy vehicles).

Speed Reduction

Following the initial installation of humps on the night of Wednesday the 22nd June, average speed declined by around 40% from daily averages of 55kmh to 33kmh.

average speed declined by around 40% from daily averages of 55kmh to 33kmh

Heavy Vehicles

With a close proximity to the Fremantle Port, traffic engineers identified a number of heavy vehicles using the route that should be redirected onto freight routes. The introduction of the speed humps has shown a reduction in the number of heavy vehicles at the site following the introduction of humps.
5 comments:
  1. Helen Q says:

    The speed bumps on South Tce are ridiculous. There’s way too many of them in such a short distance. We drive a classic 1953 car, that’s been lowered and now have to avoid our favourite drive up South Tce because of the ridiculous amounts of speed bumps that bottom out our car. I totally agree with putting a few in….but you guys have gone overboard!!

  2. Nathan Bluecloud says:

    I agree with Helen – the speed numbs in south terrace are ridiculous. Of course the cars drive slower – otherwise you’d rip the undercarriage of the car. What’s wrong with doing 60km down this street?

  3. Paul says:

    Good intentions, execution could be hugely improved.. let’s start with the overall assumption that accepted speed limits in built up areas are 50, in sensitive areas, 20-30 – not 60. Applying a 50 limit would make absolute sense, and, just maybe, 30, on the parts of the “extended strip” that are heavily dotted with pedestrians etc. (from Abhis bakery heading south)… measuring “mean average speed” is pointless, it ignores so many relevant factors – braking & accelerating with ensuing environmental impact (higher noise, fuel consumption, dust as well as the often ignored increased wear and tear on other parts shortening the life span) and actually higher risk to other road users due to factors that cause erratic behaviour.
    By installing a 50 km/h limit and painting white lines narrowing the lanes and just maybe, 30km/h at the areas with cafes and bars etc. on the street… the desired effect could easily have been achieved with much less cost, disruption, and dissatisfaction – except for the contractors who have a vested interest in more cosntruction… common sense, logic, and a little consultancy that considers all factors would have been great

  4. Bill says:

    The speed limit on South Tce is 50kph .
    Not 60 as you thought.
    That is the Traffic Act max speed anywhere in WA unless signed and designated.
    Residents of South Tce.. and I am one welcome Traffic calming it has made the street much safer
    They are in fact temporary so the City of Fremantle can get an accurate evaluation of their impact.
    When the upgrade got South Tce takes place there will be a number of non hump features to slow cars down.
    40kph is a max speed we would like for our street

  5. I think all the money spent on this speed hump invasion could have been spent on in car gps speed reduction technology.
    The speed humps of course slow traffic by adding a hazard to the road. You now have to take you attention away from the road ahead, other road users, bikes, pedestrians and focus on the speed hump.
    Im guessing but most likely the stop start nature negotiating speed humps in cars is probably not very emission friendly and of course ad extra ware and tear on cars is not going reduce the cost of motoring.
    The biggest issue I have is , was there ever a safety issue in the first place ?? If you want a safe place for people to cross the road, paint some big think strips on the road. If you want bike riders to be safe, take away the islands in the middle of the road so cars can give em space…

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