transportation geography

When Rivers Become Ice Roads

Caitlin Dempsey

During the cold winter months, parts of Canada's Mackenzie River become a ice road that trucks up to 22,000 pounds can navigate.

How New York City is Protecting Its Subway System Against Flooding

Caitlin Dempsey

A flex-gate is a highly flexible covering that can be quickly deployed to protect a subway's entrance and underground structures in the event of a flood.

Review | The Longest Line on the Map

G.T. Dempsey

This book tells the story of how and why the Pan-American Highway was conceived and, poignantly, the why of a stubborn gap that remains unconnected.

Satellite image over the water showing the location of the Hong Kong-Zhuhai-Macau (HKZM) Bridge.

World’s Largest Water Bridge

Caitlin Dempsey

The world's largest sea bridge/tunnel system, which took nine years to build, connects Hong Kong to Macau and the mainland Chinese city of Zhuhai.

Noise Pollution and Geography

Mark Altaweel

Noise pollution has long been seen to be particularly acute in regions where transportation and urban development are most pronounced; the disciplines of urban and environmental geography have focused on this topic.

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