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Wiktionary
greenline

vb. (context transitive English) To ease access to services to residents in specific areas, particularly by designating such areas as suitable for real-estate lending and property insurance.

Wikipedia
Greenline (Pennsylvania)

The Greenline was a proposed $138 million mass transit line for the Upper Schuylkill Valley region in southeastern Pennsylvania in the United States. The line was advocated by the group Citizens for the Train. Grant money needed to fund a feasibility study was not successfully obtained. As of 2012, there are no plans to move forward with the project.

Usage examples of "greenline".

But the nearest greenlined route meant three more jump point calculations, and added eleven days to the Corian-Bezaire passage.

If she went to Bezaire by any of the standard greenlined routes, she wouldn't have time to visit Rotterdam before the start of the hunting season on Sirialis.