RoadGP – Road Defect Diagnosis Tool

RoadGP is a browser-based tool that guides users through a step-by-step process to diagnose road defects. By entering basic road information and selecting any observed issues, the tool suggests likely causes and offers potential repair strategies.

 

Launch RoadGP Tool 

Opens in your browser – no installation required.

Key Features

  • Interactive input: Enter road length, choose road material, and then select defects from an intuitive interface.
  • Automatic analysis: The tool analyses selected defects to identify likely causes and recommended repairs.
  • Tabulated results: Summaries include likely causes, suggested repair actions, relative likelihoods, estimated lifespans and cost levels, and references to traditional repair strategies.

How to Use RoadGP

  1. Enter road information – Specify the road length (in meters) and pavement material (by clicking on "Asphalt" or "Concrete"), then click “Continue.”
Screenshot of the Step 1: Road Info page of the RoadGP web interface. The interface displays navigation tabs for three steps — Step 1: Road Info (highlighted in blue), Step 2: Defects, and Step 3: Results. Below the title “RoadGP,” there are two input fields: one for entering road length in meters, and two rounded buttons to select road material — Asphalt (selected in blue) or Concrete (unselected in grey). A large green “Continue” button is shown at the bottom.
Figure 1. Example of Step 1: entering road information (illustrative screenshot).
  1. Choose observed defects – Select defects using the search box or the road diagram, and indicate severity and quantity.
Screenshot of the Step 2: Defects page of the RoadGP web interface. The navigation bar shows Step 2 highlighted in blue. The page title “Select Defects” appears above a search bar labeled “Enter road defects…”, where users can type to search for a defect. Below, an example defect “Poor retroreflectivity” is shown with five severity levels — Very Low, Low, Medium, High, and Unknown — each with a box to enter quantity. A schematic road diagram is displayed, where users can click on different assets such as pavement, road marking, or drainage to view related defects. Example buttons for “Flooding and standing water” and “Blockage (gully)” appear at the bottom, along with “Previous” and “Continue” buttons in green.
Figure 2. Example of Step 2: selecting road defects via the interactive interface.
  1. View results – Click “Continue” to see possible causes and recommended repairs. Optional full tables provide extra detail.