Overview uses satellite and aerial imagery to demonstrate how human activity and natural forces shape our Earth. This perspective provides a powerful look at the planet where we live and the civilization we are creating. Through our daily posts, products, licensing, and collaborations we aim to inspire the Overview Effect.
Our regular dose of Earth from above
A turbine interchange connects the SR 9A and SR 202 in Jacksonville, Florida, USA. Also known as a whirlpool or turbine interchange, this structure consists of left-turning ramps sweeping around a center interchange, thereby creating a spiral pattern of right-hand traffic. This type of junction is rarely built, due to the vast amount land that is required to construct the sweeping roads.