
If you live in or travel through western Loudoun, get ready: construction has officially started at the busy Route 9 and Route 287 intersection just outside of Hillsboro. And yes, it’s going to affect your commute.
Loudoun County is building a new roundabout where the two routes meet, a project aimed at improving safety and traffic flow—but getting there is going to take time, patience, and some rerouting.
What’s Happening Now
Right now, crews are doing the groundwork. That means you’ll see temporary signs going up, trees and stumps being cleared out, and erosion controls being installed. It’s all in preparation for the heavier construction work ahead.
The new roundabout will be accompanied by wider road approaches, which should help with congestion in the long run—but it also means big changes to traffic patterns during construction.
When to Expect Traffic Disruptions
The first major shift in traffic flow is expected in early November 2025. After that, drivers can expect periodic lane closures, detours, and construction vehicles in the area. The entire project is set to run through summer 2027.
That may feel like a long time, especially for folks commuting between Purcellville, Hillsboro, and points west—or even just trying to get to Harris Teeter in Purcellville without sitting in traffic.
Stay Alert, Stay Safe
Temporary signs will help guide drivers through the work zone, but it’s important to stay focused. Construction zones can be unpredictable: think sudden lane shifts, slower traffic, and workers and equipment close to the road.
If you travel this corridor often, Loudoun County recommends signing up for their traffic alerts and project updates. You can find all the latest info on the county’s official Route 9/287 Roundabout Project page (link provided).
In the meantime, allow extra travel time, especially during rush hour. And remember: slowing down helps keep everyone safe—construction crews and fellow drivers alike.


