20 - <200 acres Metropolitan Park: 0-100 miles/ 30 - 120 min/ > 200 - <1000 acres Regional Park: 0 - >100 miles/ 2-6 hrs/ > 1000 acres Preserve: Purpose = preserve Connector: Purpose = connector. These tracts make up the individual Greenway/ Corridor Parks. Service Area: Planned Service Area, or the radius from within which a majority of the visitors travel to the site. (See NRPA GIS Data Model Outline for more information)Management Priority: Priority for managing the park resources. See NRPA GIS Data Model Outline for full list of definitions. Below are TNR's adaptation of NRPA's Active & Passive Park Management Priority types.Active Park: Developed & primarily intended for programmed outdoor recreational uses; usually requires capital-intensive investments in site development and/or construction of special recreational facilities. Passive Park: Developed & primarily intended for unprogrammed outdoor recreational uses; usually centered on land & water resources & only requires basic park facilities. Planning/ Project Management Areas: Created & defined by TNR. Almost all are tied to river corridors or creek greenways, while all others are grouped into the final category, " travis="" county="" other".="" in="" cases="" where="" a="" tract="" park="" falls="" along="" both="" creek="" &="" river,="" the="" takes="" precedence.colorado="" river="" corridor:="" parks="" lying="" or="" w="" vicinity="" of="" colorado="" (east="" longhorn="" dam)="" gilleland="" greenway:="" lake="" austin:="" austin="" mansfield="" dam="" west="" travis:="" (west="" onion="" greenway="" :="" pedernales="" other:="" that="" do="" not="" lay="" any="" development="" status:="" are="" designated="" as="" "developed"="" if="" 50%="" more="" its="" acreage="" has="" been="" developed.="" see="" nrpa="" gis="" data="" model="" outline="" for="" information="" about="" field="" definitions="" and="" domain="" values.="" arcgis="" portal"="">