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Major Roads, 2009

Map type: Reference

This North American Atlas base layer shows the roads of North America at 1:10,000,000 scale.

The roads included are either those that connect major centers of population or selected frontier roads. Roads under construction are not shown.

There are three road classes: Major roads, which are divided, multi-lane, limited access highways; Secondary roads, which are all roads that do not meet the definition of major roads; and Ferries, which are major ferry links which run either year round or through periods when ice conditions permit.

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