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Service AlertsWinter Weather Advisory - ART 56 Detour: ART 56 service will continue detours, with no service on N Meade St, 14th St N, N Oak St, 12th St N, N Queen St or N Rhodes St, replaced by service on Wilson Blvd & Clarendon Blvd. View all ART Alerts

Service AlertsWinter Weather Advisory - ART 45 Detour: ART 45 service will be restored but buses will not run on 8th Rd S or S Dinwiddie St, southbound terminus at Columbia Pike & S Greenbrier St View all ART Alerts

Service AlertsWinter Weather Advisory Update - Restored Service: Effective Feb. 5, 2026, ART will run normal service on the following routes: ART 42, 43, 51, 52, 72, 77, & 87. ART 45,56 & 75 will run some normal service with detours. ART 41 & 55 will continue severe level routes while ART 74 & 84 will remain suspended. Thank you for patience. View all ART Alerts

Service AlertsWinter Weather Advisory Update - Severe Plus Limited Service Level: As Arlington County continues to clear icy roadways, ART will run Severe Service level with ART routes 42, 43, 52, & 72 on Limited Service levels starting this week. ART 56 will also run, but with detours. Please plan ahead as delays may be expected. Thank you for your patience. View all ART Alerts

Upcoming Service Changes for ART Bus 45 and 52

September 30, 2025

On Sunday, October 5, 2025, ART will be making minor adjustments to ART Routes 45 and 52. On street information and online schedules have been rolled out to prepare for the effective date of service change. Please get familiar with the new timetables and schedules listed for each route below.

Route 45: Minor timing adjustments to coordinate departure times with Metrobus F62 to provide regular headways on Saturday and Sunday. Currently, ART 45 and Metrobus F62 buses travel the corridor with only 2-3 minutes between the buses.  By spacing the departure times, this will provide better service in the corridor between Rosslyn Metro and N Pershing Street.

Route 52: Making minor adjustment to eliminate excess wait time along routes and aligning arrival/departure times with the ART 51 at Ballston – MU Metro. 

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