Tag Archives: road classification

Parameters (2) road type

I began a discussion about fundamental parameters in highway geometric design recently. The first parameter in my list is road type.  A feature of “road types” is  that they are associated with specific details of highway geometric parameters in all … Continue reading

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Classification for design – FOUR main road types ?

In an earlier post (here) I argued that there are in effect only two types of road. For example I said that:

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India, street design guidelines

I recently came across a publication from India on urban street design. The document, called “Street design guidelines” is published by the Dehli Development Authority. The latest version published in 2010 is available from the webpage of the UTTIPEC (United … Continue reading

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Pedestrian routes – classification?

Two of the characteristics which transport systems generally have are that they (should) form a network of continuous links, and their links are usually classified into a hierarchy. Roads – usually seen as forming a transport system for motor vehicles  … Continue reading

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List of road classifications

There are many documents available from the Internet which discuss road hierarchy and classification- where one use of “classification” refers to functional classification – for example whether the purpose of the road is to serve as an access road or … Continue reading

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Road classification in Bhutan

Introduction Bhutan is a small, landlocked country, situated between China (Tibet) and India. It is located in the eastern Himalayas and is mostly mountainous and heavily forested. It borders Tibet (China’s Xizang Autonomous Region) to the north and northwest and … Continue reading

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Classification – two main road types

The problem of loose terminology and roads has already been referred to (see here).  It involves

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Primary road classification (2)

A previous post (link) introduced the idea of a primary classifier for roads, and suggested it should be speed (probably design speed). The post suggested 14 classes, from class 130 (design speed 130 km/hr) to class 0 (design speed 0 … Continue reading

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Road classification – ten countries

I pulled together the blog posts on road classification in ten different countries, added an introduction and a closing discussion section, and created a pdf document. The file is available free from Scribd at this link.

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How many levels in a road hierarchy?

Introduction In this note I will use the terms “road hierarchy (RH)” and “functional classification (FC)” as if they mean the same thing – which essentially they do. The apparent difference is that RH by definition says that some roads … Continue reading

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