Vessel Traffic Separation Scheme and Precautionary Areas

NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available large scale NOAA ENC data in a variety of GIS/CAD formats for non-navigational purposes using Internet mapping service technology. A defined (and possibly named) administrative area. Note: The following data layers were downloaded from the NOAA ENC web site by Massachusetts Coastal Zone Management (CZM) on July 18, 2006: TRAFFIC SEPARATION SCHEME and PRECAUTIONARY AREA. These layers were converted to the ESRI shapefile format and reprojected from their native projection into North American Datum 1983 (NAD83) / Massachusetts State Plane coordinate system, Mainland Zone (Fipszone 2001) meters. All three shapefiles were merged in ArcGIS 9.1. Edits to fix topologic and geographic errors were made on August 18, 2006.