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Campus Construction Notices

Purple Line Construction Updates


Summary of Major Impacts

Below is a summary of major pedestrian and vehicle detours on campus due to Purple Line and other campus construction. (Detailed construction notices are listed below this summary.)

  • Campus Drive Overnight Closures: Campus Drive will be closed from Regents Drive (near Symons Hall) to Union Lane (near the Stamp Student Union) daily from 9 p.m. to 7 a.m. the next morning except when there are major campus events. See the attached map for the vehicle detour route.
  • Union Drive: Union Drive between Campus Drive (near the Benjamin Building) and Alumni Drive is closed for the summer and beyond.
  • Rossborough Lane:
  • Stadium Drive: Stadium Drive between Paint Branch Drive and Engineering Drive is closed for construction of Stanley R. Zupnik Hall for the summer and beyond. 

If you have questions or encounter issues while traveling around campus, including accessibility concerns, please contact purpleline@umd.edu.


Rossborough Lane Road & Sidewalk Closures – 8.22.23-Ongoing

Starting on or about Tuesday, August 22, 2023, the Purple Line project will begin a long-term closure of Rossborough Lane west of Baltimore Avenue (near Turner Hall and Rossborough Inn). 

Lot C1 will be accessed via the southbound Baltimore Avenue lot entrance, and exited to Regents Drive using the new connector road to Lot L.  The Lot C1 entrance will be closed from approximately 10PM to 5AM, daily. 

There will also be sidewalk closures in the area. See the attached map for details and pedestrian detours. Watch for construction activity and detour signs.


Campus Drive Crosswalk Closure – 9.5.23-12.31.23

Starting on or about Tuesday, September 5, 2023, the Purple Line project will close the crosswalk on Campus Drive between Cole Fieldhouse and Dorchester Hall. See the attached map for details and pedestrian detours. Watch for construction activity and detour signs.


Campus Drive Sidewalk Closures – 9.25.23-10.9.23

On or about Monday, September 25, the Purple Line project will be reconstructing the sidewalks in front of the Toll Physics Building and Kirwan Hall near Campus Drive and Regents Drive. See attached maps for the work sequence and pedestrian detour routes. This work will take approximately 2 weeks. Watch for shifting construction activity and detour signs.


Regents Drive Sidewalks & Crosswalk Closure – 7.24.23-9.30.23

Starting on or about Monday, July 24, 2023, the Purple Line project will close portions of the west sidewalk and a crosswalk of Regents Drive for utility work. See attached map for location. The work will be completed on or about September 30, 2023. Watch for detour signs and construction activity.


Diamondback Drive Sidewalk Closure – 9.12.23-9.15.23

On or about Tuesday, September 12, 2023, the Purple Line project will be performing construction along Diamondback Drive near Lot J1. The crosswalks at the intersection of Diamondback Drive and Rossborough Lane will be closed for 4 days. See the attached map for the pedestrian detour route. Watch for detour signs and construction activity.


Baltimore Avenue and Rossborough Lane Intersection – 6.14.23-9.14.23

The Purple Line project will perform utility work on Baltimore Avenue at the Rossborough Lane intersection starting on Wednesday, June 14, 2023 through Thursday, September 14, 2023.  The impacts are as follows:

  • From 7 a.m. to 4 p.m., one northbound lane of Baltimore Avenue will be closed.
  • From 9 a.m. to 4 p.m., one southbound lane of Baltimore Avenue will be closed.

Please see the updated map for the current pedestrian detours. Watch for shifting construction activity and detour signs.


Baltimore Avenue at Rossborough Lane Overnight Lane Closures - 7.26.23-9.8.23

Starting on or about Wednesday, July 26, 2023, the Purple Line project will be performing overnight construction on Baltimore Avenue at Rossborough Lane. The work will occur from 8 p.m. to 7 a.m. daily with the following impacts:

  • One northbound lane of Baltimore Avenue will be closed.
  • One southbound lane of Baltimore Avenue will be closed.
  • The Baltimore Avenue crosswalk at Rossborough Lane will to be closed.

See the attached map for pedestrian detours. Watch for detour signs and shifting construction activity.


Baltimore Avenue Sidewalk Closure – 8.14.23-8.21.23

Starting on or about Monday, August 14, through Monday, August 21 2023, the Purple Line project will close a Baltimore Avenue sidewalk south of Rossborough Lane for utility construction. See the attached map for the location of the work area and pedestrian detour route. Watch for construction activity and detour signs.


Campus Drive and Regents Drive Road Closures – 8.16.23-8.17.23

Starting at 7 p.m. on Wednesday, August 16, through 6 a.m. on Thursday, August 17, 2023, the Purple Line project will close the following roadways to complete the new reconfiguration of the Campus Drive & Regents Drive intersection:

  • Regents Drive between the Geology Building and the Clarence Mitchell Building
  • Campus Drive between Regents Drive and Hornbake Plaza

Following this closure, Campus Drive between Paint Branch Drive and Regents Drive will reopen to east and westbound traffic.

See the attached maps for pedestrian and vehicle detours. Watch for construction activity and detour signs.


Rhode Island Avenue/Trolley Trail Closure & Detour – 7.21.23-8.18.23

The Purple Line project will close a portion of the Rhode Island Avenue Trolley Trail at Campus Drive for utility construction starting on or about Friday, July 21, 2023. The work is expected to take approximately 4 weeks. See attached map for location of work area and pedestrian/bike detour route. Watch for construction activity and detour signs.


Turner Hall Sidewalk Closures – 8.3.23-8.11.23

Starting on or about Thursday, August 3, through Friday, August 11, 2023, the Purple Line project will close some of the sidewalks on the southwest side of Turner Hall for utility construction. See attached map for location of work area and pedestrian detour route. Watch for construction activity and detour signs.


Sidewalk Closed Rossborough Inn – 6.5.23-6.19.23

Starting on or about Monday, June 5, 2023, the Purple Line project will close a portion of the sidewalk north of Rossborough Inn for utility work. See attached map for location. The work will be completed on or about June 19, 2023. Watch for detour signs and construction activity.


Baltimore Avenue and Rossborough Lane Intersection – 4.17.23-4.28.23

On or about Monday April 17, 2023, the Purple Line project will be working at the intersection of Baltimore Avenue and Rossborough Lane. One of the two northbound lanes on Baltimore Avenue approaching the intersection will be closed and northbound left turns onto Rossborough Lane will be prohibited. The work will be completed on or about Friday, April 28, 2023. See the attached map for work zone locations and pedestrian detour route. Watch for detour signs and shifting construction activity.


Campus Drive Closure – 4.4.23-4.5.23

The Purple Line project will close the road in the core of campus from Tuesday, April 4, 2023, at 9:00 p.m. until Wednesday, April 5, 2023, at 6:00 a.m. See the attached traffic detour planCampus Drive will be closed from Paint Branch Drive to Union Drive, Regents Drive will be closed at the traffic circle. Use caution when traveling around campus and watch for shifting construction activity and detour signs.


Campus Drive/Regents Drive Intersection Closed – 3.20.23-3.24.23

From Monday, March 20 through Friday, March 24,2023, the Purple Line project will close the Regents Drive/Campus Drive intersection for repaving. Westbound Campus Drive traffic from Baltimore Avenue will be detoured at Paint Branch Drive. No through traffic will be allowed on northbound or southbound Regents Drive past Campus Drive. See the traffic detour plan in the attached mapUse caution when traveling around campus and watch for shifting construction activity and detour signs.


Heavy Demolition from Regents Drive to Cole Fieldhouse – 3.1.23-3.15.23

Starting on or about Wednesday, March 1 2023, the Purple Line project will perform heavy demolition along Campus Drive from Regents Drive to Cole Fieldhouse. This operation will require loud demolition equipment between the hours from 5pm to 8pm for approximately 2 weeks.


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