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The table below is a list of active construction along the Purple Line alignment. Notifications can be sorted by work zone for updates on specific locations and also received via text and email through Purple Line Transit Partners’ notification system. Sign up to receive these alerts.

MDOT MTA gets the first assumed Purple Line contracts underway. Distribution of construction notifications will occur in advance of work resuming in your area(s). If you have any questions, please contact our outreach hotline at (443) 451-3706 or email .
AllAs work increases along the alignment, the Purple Line team remains committed to keeping everyone safe. Pedestrians and motorists are advised to follow construction signage and use the open sidewalk(s). For the safety of the public and our construction team, entry into construction work zones is not permitted.
College ParkBeginning on or about November 14, 2021 resurfacing across the Purple Line alignment will occur through mid-December. The work zone will include Campus Drive. Work will occur in two shifts Monday through Friday, and as needed on weekends; temporary lane closures and uneven surfaces will occur during this effort.
College ParkOn or about November 15, 2021, the sidewalk adjacent to the College Park Bus Loop from River Road (identified in the graphic here) will be closed through December 31, 2021. Signage will be in place to guide bicyclists and pedestrians to the open sidewalk. Work may take place 5 a.m. to 7 p.m. weekdays and weekends as needed through completion of the work.
Greater Lyttonsville / WoodsideBeginning on November 9, 2021 crews will implement a closure of the two right southbound lanes on 16th Street between Lyttonsville Road and Spring Street for one night. Work may occur 7 p.m. – 7 a.m. through November 10, 2021.
Glenridge / New CarrolltonBeginning on or about November 14, 2021, resurfacing across the Purple Line alignment will occur through mid-December. The work zone will include Riverdale Road. Work will occur in two shifts Monday through Friday, and as needed on weekends; temporary lane closures and uneven surfaces will occur during this effort.
Glenridge / New CarrolltonCrews have resumed utility relocations along Ellin Road (MD 433) between Harkins Road and Emerson Place. Work may take place on weekdays, and as needed on weekends, from 7 a.m. to 5 p.m. Temporary lane closures will occur.
Glenridge / New CarrolltonBeginning on or about September 29, 2021, crews will implement long-term closures of the leftmost eastbound and westbound lanes of Veterans Parkway (MD 410) between Riverdale Road (MD 410) and Annapolis Road (MD 450) for approximately 15 months for water line relocation. Work will take place from 7 a.m. to 5 p.m. Monday through Friday, and as needed, on Saturdays
Long BranchBeginning on or about November 14, 2021 resurfacing across the Purple Line alignment will occur through mid-December. The work zones will include Piney Branch and Arliss Street. Work will occur in two shifts Monday – Friday, and as needed on weekends; temporary lane closures and uneven surfaces will occur during this effort. 
Long BranchBeginning on or about October 18, 2021, crews will perform utility relocations on Barron Street between Piney Branch Road (MD 320) and Gilbert Place through the end of December, weather permitting. Work may take place from 7 a.m. to 5 p.m., Monday through Friday, and weekends as needed. Temporary lane closures will occur with flagging operations.
Long BranchBeginning on or about October 24, 2021, crews will begin utility relocations at the intersection of University Boulevard (MD 193) and Piney Branch Road (MD 320) overnight through the end of January 2022, weather permitting. Work may take place from 9 p.m. to 5 a.m. weekdays and weekends, as needed. Temporary lane closures will occur with a minimum of one lane in each direction maintained around the work zone and flagging operations in place as needed. Please obey construction signage near the work zones.
Long BranchReminder: Crews have remobilized equipment at the Plymouth Tunnel. We ask that members of the public please obey construction signage and stay out of work zones for your safety and the safety of our personnel.
Long BranchUpdate: Crews continue utility relocations along Piney Branch Road (MD 320) between Arliss Street (MD 594D) and University Boulevard (MD 193) through approximately the end of December, weather permitting. Work may take place from 7 a.m. to 7 p.m. on weekdays, and as needed, on weekends. Temporary lane closures will occur with pedestrian detours as needed. Flagging operations will be in place as needed. The northbound sidewalk between University Boulevard and the Barron Street will remain closed through the end of the year. Access to residences and businesses will be maintained.
Riverdale ParkCrews continue performing underground utility relocations on Kenilworth Avenue (MD 201) northbound and southbound from Campus Drive to Riverdale Road (MD 410), weather permitting. Work may take place in two shifts, from 7 a.m. to 5 p.m. and 7 p.m. to 7 a.m. on weekdays and weekends, as needed. Temporary lane closures will occur with flagging operations as needed.
Riverdale ParkBeginning on or about November 14, 2021, resurfacing across the Purple Line alignment will occur through mid-December. The work zones will include Riverdale Road, Kenilworth Avenue, and Haig Drive Circle. Work will occur in two shifts Monday through Friday, and as needed on weekends; temporary lane closures and uneven surfaces will occur during this effort.
Riverdale ParkBeginning on November 11, 2021, crews will perform underground utility work along Riverdale Road at 67th Court through December 6, 2021, weather permitting. Work may take place from 7 a.m. to 4 p.m. Monday through Friday, and as needed, on weekends. Temporary lane closures will occur. The bus stop at Riverdale Road and 67th Court will be closed as signed, please use the bus stop at Riverdale and 67th Place during this time.
Riverdale ParkBeginning on or about July 22, 2021, crews will perform underground utility relocations overnight on Riverdale Road (MD 410) between 58th Street and Veterans Parkway (MD 410) through the end of  November. Work may take place Monday through Friday 7 p.m. to 5 a.m. and on weekends, as needed. Temporary lane closures will occur.
Riverdale ParkCrews have begun water line relocation on 67th Place through the end of December, weather permitting. Work may take place from 7 a.m. to 5 p.m. Monday through Friday, and as needed, on weekends. Temporary lane closures will occur. Flagging operations will be utilized.
Silver SpringNew: Beginning on or about December 5, 2021, crews will implement temporary lane closures at the intersection of Georgia Avenue (US 29) and Bonifant Street for waterline work for approximately three weeks, weather permitting. Work may take place from 8 p.m. to 7 a.m. on Sunday through Thursday and from 8 p.m. to 7 a.m. Friday and Saturday as needed.
Silver SpringNew: Beginning on or about November 29, 2021, crews will implement temporary lane closures at the intersection of Georgia Avenue (US 29) and Bonifant Street for waterline work for approximately three weeks, weather permitting. Work may take place from 8 p.m. to 7 a.m. on Sunday through Thursday and from 8 p.m. to 7 a.m. Friday and Saturday as needed.
Silver SpringBeginning on or about December 6, 2021, crews will begin underground utility relocations along eastbound Wayne Avenue (MD 594A) from Silver Spring International Middle School (SSIMS) to Springvale Road through April 1, 2022, weather permitting. Work may take place 7 a.m. – 7 p.m. weekdays and as needed on weekends. A long-term lane closure with a jersey barrier will be established in the far-right eastbound lane, access to driveways will be maintained. The sidewalk adjacent to the work zone will be closed and pedestrians will be directed to use the nearest crosswalk via signage. 
Silver SpringReminder: Crews continue underground utility relocations on Bonifant Street (MD 594C), between Georgia Avenue (US 29) and Fenton Street, through the end of the year weather permitting. Work may take place from 7 a.m. to 5 p.m, as well as overnight and on weekends, as needed. Temporary lane and sidewalk closures will occur. ADA-compliant pedestrian, vehicular, residential, and business access, as well as reduced on-street parking to the north side. Flagging operations will be in place as needed.
Silver SpringOn May 11, 2020, the Purple Line implemented a closure of Bonifant Street (west) between Ramsey Street and Georgia Avenue for construction. The closure will be in place through the end of 2021 and will remain in place until work is complete. Pedestrian access will be maintained during the road closure. Pedestrians must obey construction signs and stay out of the work zone for their safety and the safety of the construction crew.
Silver SpringNew: On or about October 11, 2021, a long-term traffic pattern change will be implemented on Bonifant (East) between Georgia Avenue and Fenton Street to reduce the road to a one-way eastbound street. Work may take place from 7 a.m. to 5 p.m. Monday – Friday and on weekends as needed for three months to facilitate utility relocations. Long-term lane closures and intermittent sidewalk closures will occur. ADA-complaint pedestrian, vehicular, and business access will be maintained at all times with reduced on-street parking. Flagging operations may be utilized when needed. 
Silver SpringReminder: Crews are performing utility relocations on Wayne Avenue (MD 594A) from Fenton Street to Sligo Creek Parkway. Work may take place from 7 a.m. to 5 p.m., on week days and as needed, weekends. Overnight work will occur intermittently, as scheduled by utility companies. Temporary lane and sidewalks closures will occur. Flagging operations will be in place as needed. 
Silver SpringUpdate: On or about March 15, 2021, crews began utility relocations at the intersection of Wayne Avenue (MD 594A) and Sligo Creek Parkway through the end of December, weather permitting. Work may take place from 9 a.m. to 4:30 p.m. on weekdays, and as needed, on weekends. Temporary lane closures will occur and flagging operations will be in place.
Silver Spring On or about March 1, 2021, crews began waterline relocations along the right lane of eastbound Wayne Avenue (MD 594A) from Sligo Creek Parkway to E. Wayne Avenue entrance of the Plymouth Tunnel through end of December, weather permitting. Work may take place Monday through Friday from 7 a.m. to 5 p.m. Weekend and night work will occur on an as-needed basis. Temporary lane closures will occur. Flagging operations will be in place as needed.
Silver SpringNew: The right-hand lane of southbound Georgia Avenue (US 29) from Wayne Avenue to Bonifant Street is closed for emergency repairs through the end of December.
Silver SpringReminder: Crews will continue utility relocations at the intersection of Wayne Avenue and Dale Drive. Work may take place 7 a.m. to 5 p.m. weekdays and as needed on weekends. Temporary lane closures will occur as needed and pedestrian access will be maintained.
University BoulevardBeginning on or about December 1, 2021, crews will flag West Park Drive adjacent to Adelphi Shopping Center for sidewalk reconstruction that will last approximately 3 days. Work may take place between 7 a.m. and 4 p.m. Access to Adelphi Shopping Center will be maintained via University Boulevard during this time
University BoulevardBeginning on or about November 28, 2021, crews will resume utility relocations on University Boulevard (MD 193) between Carroll Avenue and Piney Branch Road through the end of January 2022. Work may take place Sunday through Thursday from 7 p.m. to 5 a.m. and as needed, on Friday and Saturday. Temporary lane closures will occur.
University BoulevardBeginning on or about November 14, 2021 resurfacing across the Purple Line alignment will occur through mid-December. The work zones will include University Boulevard and West Park Drive. Work will occur in two shifts Monday through Friday, and as needed on weekends; temporary lane closures and uneven surfaces will occur during this effort.
University BoulevardOn or about November 7, 2021 a long-term lane closure of the eastbound right lane will be implemented to facilitate utility relocations along University Boulevard (MD 193) between Bayfield Street and Forston Street. Work will occur in two shifts from 7 a.m. through 5 p.m. and 7 p.m. through 5 a.m. during the week and as needed on weekends through the end of the year. Access residential driveways will be maintained.
University BoulevardOn or about Monday September 27, 2021, the Purple Line will implement a daily closure of 24th Avenue at the University Boulevard service road entrance, as well as the service road between 24th Avenue and 25th Avenue to establish a work zone for underground utility relocations. This work will occur through the end of December, from 7 a.m. to 5 p.m. Monday through Friday and as needed on weekends. Street parking will be restricted in the area of the work zone. Access to 24th Avenue and the service road will be maintained from Lewisdale Dr. for local traffic only. https://purplelinemd.com/construction/detours.
University BoulevardBeginning on or about August 23, crews will begin utility relocations on University Boulevard between Carroll Avenue and Piney Branch through the end of December, weather permitting. Work may occur 7 a.m. to 5 p.m. Monday through Friday, and as needed on weekends. A long-term lane closure of the northbound, right hand lane will occur through completion of the utility relocation.
University BoulevardBeginning on July 1, 2021, crews will perform underground utility work along westbound University Boulevard (MD 193) at 15th Street through approximately the end of December, weather permitting. Work may take place from 7 a.m. to 4 p.m. Monday through Friday, and as needed, on weekends. Expect temporary lane closures. Flagging operations will be implemented.
University BoulevardCrews have resumed utility relocations along University Boulevard (MD 193) between Piney Branch Road (MD 320) and Riggs Road (MD 212). Work may take place from 7 a.m. to 7 p.m. on weekdays and as needed, on weekends. Temporary lane closures will occur.
University BoulevardCrews have resumed utility relocations along University Boulevard (MD 193) between Riggs Road (MD 212) and Adelphi Road. Work may take place from 7 a.m. to 7 p.m. on weekdays and as needed, on weekends. Temporary lane closures will occur.
University BoulevardOn or about April 15, 2021, crews resumed utility relocations along University Boulevard (MD 193) between Riggs Road (MD 212) and Campus Drive through the end of December, weather permitting. Work may take place from 7 a.m. to 7 p.m. on weekdays and, as needed, on weekends. Temporary lane closures will occur.
University BoulevardCrews will close the service road alongside westbound University Boulevard (MD 193) between 15th Avenue and Edwards Place for utility relocations through the end of December. The service road will be closed to all traffic, and parking will be restricted. Access to all driveways and parking lots will be maintained from University Boulevard. Work will occur from 7 a.m. to 7 p.m. weekdays and as needed, on weekends.
University BoulevardCrews have resumed utility relocations at the intersection of University Boulevard (MD 193) and Riggs Road (MD 212). Work will take place overnight, 7 p.m. to 7 a.m. on Sundays through Thursdays through the end of December, weather permitting. Temporary lane closures will occur with a minimum of one lane in each direction on University Boulevard (MD 193) and Riggs Road (MD 212) maintained around the work zone. Access to local businesses will be maintained. On an as-needed basis, pedestrian detours will be implemented and signed.
University BoulevardCrews will continue utility relocations at the intersection of University Boulevard (MD 193) and Piney Branch Road (MD 320) overnight through the end of January 2022, weather permitting. Work may take place from 9 p.m. to 5 a.m. weekdays and weekends, as needed. Temporary lane closures will occur with a minimum of one lane in each direction maintained around the work zone and flagging operations in place as needed. Please obey construction signage near the work zones.
University BoulevardBeginning on or about August 30, 2021, crews will perform underground utility relocations at the intersection of University Boulevard East to 24th Avenue through the end of December, weather permitting. Work may take place from 7 a.m. to 5 p.m. Monday through Friday, and weekends as needed. Temporary lane and service road closures will occur utilizing flagging operations.