Document on road design standards by country

An update, version 5.2, of the publication “Road design standards” (of which I am the editor) is now available. You can find a link to a free copy of the document if you visit the home page at

The introduction to the document says:

“Most countries issue their own guidelines on highway geometric design (some issue more than one guideline). They offer a good place to start when a new project involves road design in their country. This document provides an overview of what the current standards are in a number of different countries. The details are as accurate as could be prepared at the time of publication, but there are no claims that they are either complete or fully up to date”.


About roadnotes

Robert Bartlett is an international consultant with over 30 years of professional experience as a highway and traffic engineer with leading companies and organisations in several countries, including Germany, China (Hong Kong), Qatar and the UK. Specialised in urban studies, transport and the use of GIS, research has included new ideas on subjects such as the study of social justice using GIS, the dimensions of vehicles, and comparative geometrics (highways and transport).
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3 Responses to Document on road design standards by country

  1. Pedro says:

    Hi Robert, congratulations for the publication. that is an important work trying to gather information about worldwide standards. In Brazil we have the DNIT (former DNER) as you wrote in the publication, that is the National Department for Transport Infrastructure and also we have the DER´s that are the state Departments. (In Brazil we have 27 of them), and other departments related to traffic and transport control. In this link you can follow all the DNIT´s manuals related to road design:

    and here is a list with all de state departments of transportation

    In Brazil, due to our country big size and very different levels of experience and challenges in road design, each state department developed their own standards based on their local experiencies. But the majority of them are very close to the DNIT standards.

  2. Pedro says:

    Hi Robert, congratulations for the effort to gather roads design manuals worldwide.
    In Brazil as you wrote in your publication we have DNIT (former DNER) that is our National Department of Transport Infrastructure, and also we have 27 state transportations departments (you cited DER/ MG, (Minas Gerais State) and another Agencies that regulates transportation and traffic like ANTT, CONTRAN, etc.
    Here you can find all the DNIT´s publication in road standards:
    And here theres a list off all our State transportation Departments:
    Due to the size of Brazil and the experience of each region in deploying roads each of these state departments has his own standards, but the majority of them is very close to the National Standards.

    • roadnotes says:

      Hallo Pedro,
      Thanks very much for the links, I will use them to update the document page on Brazil. I know other countries also have regional as well as national standards, but I don’t know who decides which one to use if they are different (or even if – where they are different – who decides if one is right and one is wrong)

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