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Exits has points for every ramp at an interchange. The points will eventually be located at the gore point (where the ramp leaves the mainline) but currently many points are still clustered around the cross road. <\/SPAN><\/P>

<\/P>

Production<\/SPAN><\/P>

The locations of the interchanges were digitized from the Commonwealth of Massachusetts 1:5000 color orthophoto imagery to create the downloadable shapefile.<\/SPAN><\/P>

<\/P>

Metadata<\/SPAN><\/P>

<\/P>

Status<\/SPAN><\/P>

<\/P>

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{ "name": "County", "type": "esriFieldTypeString", "alias": "County", "domain": null, "editable": true, "nullable": true, "length": 1, "defaultValue": null, "modelName": "County" }, { "name": "Uniq_ID", "type": "esriFieldTypeString", "alias": "Uniq_ID", "domain": null, "editable": true, "nullable": true, "length": 255, "defaultValue": null, "modelName": "Uniq_ID" }, { "name": "ID_rte_mi_pt", "type": "esriFieldTypeString", "alias": "Route Mile Point ID", "domain": null, "editable": true, "nullable": true, "length": 255, "defaultValue": null, "modelName": "ID_rte_mi_pt" }, { "name": "mile_pt_1", "type": "esriFieldTypeString", "alias": "mile_pt_1", "domain": null, "editable": true, "nullable": true, "length": 255, "defaultValue": null, "modelName": "mile_pt_1" }, { "name": "mile_pt_2", "type": "esriFieldTypeString", "alias": "mile_pt_2", "domain": null, "editable": true, "nullable": true, "length": 255, "defaultValue": null, "modelName": "mile_pt_2" }, { "name": "mile_pt_1_num", "type": 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This polygon datalayer contains the six Massachusetts Department of Transportation (MassDOT) Highway Districts in the Commonwealth of Massachusetts. The districts supervise all construction within its jurisdiction; performs on-site engineering; implements maintenance and preventative maintenance programs; generates proposals for maintenance and construction work; and provides engineering support to cities and towns. The bounds of the MassDOT Highway Districts were digitized from the MassGIS survey-level town boundaries. 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