The Master Plan of Highways and Transitways (MPOHT) is an amalgamation of updates to the transportation network specified in each area, sector, and functional plan throughout Montgomery County, MD.

A log of updates is included below.

7/14/2022

Changes from the approved Corridor Forward Plan were incorporated into the GIS layer

3/31/2022

Changes from the approved Ashston Village Center Sector Plan were incorporated into the GIS layer

3/30/2022

Changes from the approved Shady Grove Minor Master Plan were incorporated into the GIS layer

7/26/2020

Changes from the approved and adopted Montgomery Hills/Forest Glen Sector plan have been incorporated in the GIS layer.

7/23/2019

Changes from the approved and adopted MARC Rail Communities Plan have been incorporated into the GIS layer

5/16/2019

Changes from the approved and adopted Veirs Mill Corridor Master Plan have been incorporated into the GIS layer.

1/15/2019

Right of way changes due to the approval of the Bicycle Master Plan have been incorporated into this GIS layer.

9/06/2018

The following transportation elements of master plans have been incorporated into this GIS layer:

• Master Plan of Highways Technical Update (July 2018)

This master plan was a comprehensive update that revised and evaluated roadway segment classifications, extents, locations, planned lanes, target speeds, and minimum right-of-way widths. The master plan also updated Road Code Urban Area boundaries and reconfirmed Transitway routes and Interchanges, all of which can be found in their respective GIS layers.

Symbology:

• Symbology for Park Roads has been removed.

• Symbology for Parkways has been added.

1/23/2018

The following transportation elements of master plans have been incorporated into this GIS layer:

• White Flint 2 (December 2017)

• Grosvenor-Strathmore Metro Area Minor Master Plan (December 2017)

• Rock Spring (December 2017)

6/30/2017

The following transportation elements of master plans have been incorporated into this GIS layer:

• Bethesda Downtown Plan (approved and adopted May 2017)

• Greater Lyttonsville Sector Plan (approved and adopted March 2017)

• PlanWestbard (approved and adopted July 2016)

8/24/2016

• Roadway network elements of area plans between 2009 and May 2016 have been incorporated.

• Notation for state highways has been added to appropriate road segments.

• Roadway extents are now accurately reflected in geography.

• Master planned roadways that were constructed have been updated from "planned" to "built."

• Inconsistencies with spelling and abbreviations have been resolved.

• New Hampshire Avenue bus rapid transit corrirdor has been added.