Chiswick Lane + Sutton Court + Duke’s Avenue
Data monitored every 15 minutes.
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The routes
Line colours identify routes, not congestionChiswick Lane - Southbound
Sutton Court · both ways
Duke’s Avenue · both ways
Circles mark starts; large arrows mark finishes. Lines are offset slightly where routes overlap. Chiswick Lane includes the Dorchester Grove / Hogarth approach. Comparison cross-roads are schematic context, not additional monitored stretches. Each diagram has its own scale. Geometry © TomTom; geographic diagrams without a basemap.
Latest journey metrics
—Chiswick Lane: four routes below. Sutton Court Road and Duke’s Avenue: two routes each after separate dividers. Neither is established as an unaffected control. Duke’s Avenue’s initial off-quarter reading is retained in storage; charts use scheduled quarter-hours only. No earlier history has been invented. Hover a metric row for its timestamp.
Swipe the metrics sideways to see speed, time and congestion %.
| Route | CONGESTION % | SPEED | TIME | ||
|---|---|---|---|---|---|
| Actual | Reference | Actual | Reference | ||
● Green ≤120%● Orange >120–150%● Red >150%● Grey / gap: unavailable or flagged
Through the day
Selected day, 00:00–23:45 London time. Future readings remain empty. Tap or hover a bar for details.
Weekday patterns · hourly medians
Compare Mon–Sun and bank holidays for each route. Bank holidays (England and Wales) appear only in their own row. Missing, rejected and interpolated readings are excluded; empty cells mean no data. Each cell pools the valid quarter-hour readings for that hour across all matching dates in your range.
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On mobile, heatmaps initially show 06:00–20:00. Swipe sideways for earlier or later hours; weekday labels stay visible. Tap a cell for details. This is an early sample; a weekday can currently be represented by just one date. Bank-holiday calendar: GOV.UK.