Thursday, July 29, 2010

Is it in Northeast, or Northwest?

Is is Northeast or Northwest? (The DC Curmudgeon Blog).

The quadrant component is a critical component for addresses in Washington, DC.

Wednesday, July 21, 2010

W Street NW vs. W Place NW


This issues is between 37th Street NW and Tunlaw Road NW. My coworker and I went to the DC Surveyor's Office and found out that is should be W Place NW. Google Maps has this street segment as W Street NW. The above image shows my 'Report a Problem' report to Google Maps.

Wednesday, July 14, 2010

Why is there no 'J' Street in Washington, DC?

Here is an interesting article from Snopes.com explaining why there is no 'J' Street in DC. There is a 'Jay' Street NE though. Why then is there no X,Y, or Z streets?

Thursday, July 8, 2010

Categorizing Place Names in the MAR

There are over 5,000 place names (alias names) in the MAR. Currently, these place names are uncategorized. Soon they will be categorized into such categories as:

  • APARTMENT BUILDING
  • BRIDGE
  • CONDO BUILDING
  • FIRE STATION
  • POLICE STATION
  • PUBLIC SCHOOL
  • HOTEL
  • RECREATION CENTER
  • MILITARY
  • HOSPITAL
  • UNIVERSITY
  • EMBASSY
  • etc.

The categorization of the place names will allow for one place name to be categorized in multiple categories. For example 'GEORGETOWN UNIVERSITY HOTEL & CONFERENCE CENTER' will be categorized into UNIVERSITY and HOTEL.

The benefits of categorizing the place names is two fold:

  • Allows MAR users to easily search a category of place names. (Before finding all hotel place names would be difficult as some hotels do NOT have the word HOTEL in their names such as 'GEORGETWON SUITES' or 'RIVER INN'
  • Allows the MAR Data Team to more easily keep the place names up to date as all place names in the same category can be update on a regular cycle.

Thursday, July 1, 2010

MAR Monthly Report: June 2010

June 2010 Data Loads:









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Dataset Numbers:


  • Addresses: 142,267
  • Residential Units: 193,470
  • Aliases: 5,449
  • Street Name Aliases: 1,055
  • Intersections: 17,714
  • Blocks: 15,856
  • Address / SSL Cross Reference: 234,553

MAR News:


  • A major update of intersection records has been completed. A large number of missing intersection records were added.
  • A large number of Hotel,Motels, Bed & Breakfasts have been added to the MAR alias name table. An example includes: MT. VERNON SQUARE BED & BREAKFAST located at 400 M Street NW.
  • Recreation Centers have been updated.
  • Embassy information has been updated

Recent Updates to MAR

Recently there have been a few updates to the MAR in the following categories:
  • Embassy
  • Hotel,Motels, & Bred & Breakfasts
  • Recreation Centers
  • Intersections