bumpy ride.

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On certain patches on Mumbai Pune expressway, mostly going fromMumbai to pune I have noticed a bumpy ride  at 1 - 2 spots mostly between Mumbai to first toll at khopoli..has anyone noticed similar thing.


I had driven alto and was alone in the car and mostly in center lane. I slowed down from 85 - 90 (normally that's my max speed in general on expressway) to around 65 - 70 and then it was ok. 


In general I find a much smooth ride on tar roads than cement ones.

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Concrete Roads vs Asphalt Roads

by Suvo (12,138 pts BHMono_yellow.gif)

Edited & published by Lamar Stonecypher (20,356 pts BHMono_yellow.gif) on Aug 17, 2010

Asphalt roads wear more than concrete roads, but
many countries are replacing concrete roads with asphalt because it is
cheaper, despite concrete roads having some major advantages. Learn
about the advantages and disadvantages of the different road paving
surfaces in this article. If you have traveled from Pune to Mumbai by road then you might have noticed the beautiful concrete expressway. In almost all the new major road construction you can see
the use of concrete rather than asphalt these days. At the same time,
some popular highways are still in asphalt.

Advantages of Concrete Roadways

  • Durability and maintenance free life: Concrete
    roads have a long service life of forty years, whereas asphalt roads
    last for ten years. More over, during this service life concrete road do
    not require frequent repair or patching work like asphalt roads.
  • Vehicles consume less fuel:
    A vehicle, when run over a concrete road, consumes 15-20% less fuel
    than that on asphalt roads. This is because of the fact that a concrete
    road does not get deflected under the wheels of loaded trucks.
  • Resistant to automobile fuel spillage and extreme weather: Unlike asphalt roads, concrete
    roads do not get damaged by the leaking oils from the vehicles or by
    the extreme weather conditions like excess rain or extreme heat.
  • Greener process:
    Asphalt (bitumen) produces lots of highly polluting gases at the time
    of melting it for paving. Also, less fuel consumption by the vehicle
    running on a concrete road means less pollution.
  • Saving of natural resources:
    Asphalt (bitumen) is produced from imported petroleum, the reserve of
    which is becoming reduced drastically. On the other hand, concrete
    (cement) is produced from abundantly available limestone.

Disadvantages of Concrete Roadways

  • Paving cost: The paving cost of the concrete road is little higher compared to asphalt paving.
  • Maintenance Problem: In case the concrete road breaks, the whole concrete slab needs to be replaced.
  • Safety features: In rainy and the winter season vehicles tend to slip or slide on concrete road due to rain and snow.

Advantages of Asphalt (Bitumen) Road

  • Economical: Asphalt
    is still less costly compared to concrete. Moreover, it takes less time
    to build a asphalt road than a concrete road. (Asphalt dries faster.)
  • Recyclable: Asphalt is a recyclable material. It can be used again and again by melting it.
  • Easy maintenance: Repairing just a prt of the asphalt road is easily possible. Asphalt roads even can be relayered over the old layer.
  • Safe: Asphalt roads provide better traction and skid resistance for vehicles. Asphalt tends to help keep roads free from ice and snow.

Disadvantages of Asphalt (Bitumen) Road

  • Durability: heavy rain and other extreme weather conditions damage the asphalt road, and the roads need to be repaired frequently.
  • Weather Pollution: Melting asphalt produces lots of harmful green house gases. Also costly petroleum is required to produce asphalt.


roads are highly durable and more environmentally friendly as compared
to asphalt roads. However asphalt paving costs far less than concrete
paving. Also, asphalt road provides a little better safety of the
vehicle against snow and skidding.

Read more:

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Having Driven a Fiesta 1.6 S on a newly laid Concrete road and a rather well maintained asphalt road, what i felt ;

* Steering feedback is far better on Asphalt

* ride quality is much smoother

* no irritating expansion gaps of concrete slabs

* Tyre Noise is far better as a form of feedback to the driver's ears on asphalt compared to concrete when car is driven in full throttle with atleast driver side window down

* Black asphalt glistens more and grabs drivers attention

more than plain grey of Concrete

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Also i have noticed that driving on a concrete road heats up the tyre much faster than on the normal roads. This could turn dangerous if one is driving for long durations on cemented roads. Have witnessed many tyre failure / bursts incidents due to this heating factor.

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