Petrosains, The Discovery Centre | Discover STEM

WHAT IS POTHOLE?

Pothole is a depression or hollow in a road surface caused by wear or subsidence.

WHAT CAUSES POTHOLE?

Rain seeps through cracks in the pavement and into the sub-base; which eventually become saturated and soft.

Trapped moisture due to repeated dry and raining period cycles worsen the expanding lifts and cracks the pavement more.

As temperatures rise, a void is left under the pavement and collects more water.

Vehicles driving over the weakend pavement pound it until the surface breaks and collapses into the void below, thus creating a pothole.

EFFECTS OF POTHOLES ON ROAD USERS

Tire blowouts and wheel damage
Exhaust system misalignment

Internal injuries and impact pain

HOW MIGHT WE DETECT POTHOLES?

Pothole Detection System

A pothole detection system collects road images through a developed optical device mounted on a vehicle and detects a pothole from the collected data using the proposed algorithm which is then sent to a center.

Sensors in Smartphones

The sensors in smartphone is able to understand and classify road quality which help to crowdsource data on public road experience and inform civic authorities about real-time road conditions.

HOW POTHOLES ARE FIXED?

Temporary Repairs Patching
Quick repair of potholes by filling the asphalt pavement.

Preventive Repairs

  • a) Crack Treatments
    Special material insertion into the existing cracks to prevent water and incompressible intrusion into the cracks and underlying pavement layers.

  • b) Microsurfacing
    A thin surface treatment that combines a layer of asphalt emulsion and finely crushed stone.







TIPS TO PREVENT ACCIDENTS DUE TO POTHOLES

Tip #1:

Slow Down!

Tip #2:

Avoid Puddles

Tip #3:

Don’t Tailgate

Tip #4:

Check Tyres

Tip #5:

Stay Focused

HOW TO REPORT A POTHOLE?

i-Tegur Mobile App

Available on your Apple Store and Play Store.

Waze Mobile App

Available on your Apple Store and Play Store.

Jabatan Kerja Raya Website

http://www.kkr.gov.my

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