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Palisades Trolley Trail & Foundry Trestle Feasibility Study

DDOT is conducting a feasibility study of the former Glen Echo Trolley line from St. Mary’s Place, NW to Galena Place, NW in the Georgetown and Palisades neighborhoods. The study area includes the abandoned Foundry Branch Trestle Bridge in the historic Glover Archbold Park at Canal Road.

The purpose of this feasibility study is to identify critical issues and challenges in developing a multi-use trail for pedestrians and bicyclists of all ages and abilities on the former Glen Echo Trolley line corridor, an area commonly referred to as the Palisades Trolley Trail.

Please use the map to tell us: where you access the trail; areas of the trail you typically use; issues with accessing the trail from where you live; trail locations where it is difficult to cross the street; areas of the trail that are challenging to use due to poor drainage, narrow right-of-way, or steep grade; or any other existing conditions information you think is important and would like to share with us.

View a list of existing comments →

Having trouble viewing or using the map? Please contact with your comments.


  1. Pan and zoom into the map to find the location of interest.

  2. Double-click where you would like to add a comment. You can either drop a pin or continue clicking to draw a polygon or lane to better define the area.

  3. When you have finished drawing, click on the “here” link and complete the comment field to the left. For additional information on the categories, click the "Toolbox" link.

  4. In order to submit your comment, you will need to provide details about your recommended improvement action in the “Comment Box” & click “Create Comment” when you are done.

  5. Repeat the steps above to identify other improvements and submit your comments.

You can also take a survey at the following "link" where you can answer specific questions and provide additional input.