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Welcome to the Massachusetts Highway Department Geodetic Control site!

Massachusetts Highway Survey Section has provided this site as a service to the Massachusetts Survey and Civil Engineering Industries.

Disclaimer:

This site best viewed with Internet Explorer. Please note that downloads will not work with Firefox.

Site Features:

Geodetic Survey Query and Information
Mapper component allows query and review of Geodetic Control using interactive web mapping technology.
Submit Recovery Information

For comments about this website, please contact:
dotsurvey.help@dot.state.ma.us
For additional information on control points, please fax a request to: (617) 973-7065.


Note on Converted Coordinates:

This web page utilizes an internal program to convert coordinate values between NAD27 and NAD83. Users of this web page must keep in mind that National Geodetic Survey (NGS) has adjusted NAD83 coordinate values several times since the original adjustment published in 1986. For the New England states, major adjustments were published in 1992 and 1996 for NAD83 coordinate values. The conversion program within this web page converts NAD27 values to the most recent NAD83, 1996 (NAD83/96) adjustment values.