| Route | Acton and Northolt Line |
| Section | Old Oak Common West Jn to Northolt Jn |
| ELR Maps | Atlas , Interactive |
| Area Maps | Willesden , Wembley , Greenford , Northolt |
| Extent | 3M 0316y to 10M 1095y • 7.443 miles • 11.978 km |
| Measured | 11.977 km (Δ -1m) |
| Neighbours | BOK4 , BOK5 , CAW , GEC , HED , MLN1 , NAJ1 , NAJ2 , PRL , WAW , WEL1 , WEL2 |
| NR Regions | Wales & Western • 3M 0316y to 8M 1330y North West & Central • 8M 1331y to 10M 1095y |
 | TRACKmaps Book 2 — Eastern TRACKmaps Book 3 — Western & Wales TRACKmaps Book 4 — Midlands & North West TRACKmaps Book 5 — Southern & TfL |
🏢 Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 3M 0316y to 4M 0692y | England | Ealing |
| 4M 0693y to 4M 0934y | England | Brent |
| 4M 0935y to 5M 0450y | England | Ealing |
| 5M 0451y to 5M 0978y | England | Brent |
| 5M 0979y to 8M 1396y | England | Ealing |
| 8M 1397y to 10M 1095y | England | Hillingdon |
📍 Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 3M 0316y to 3M 1484y | Old Oak Common | Greater London - Ealing | 209m - 516m |
| 3M 1485y to 4M 1550y | North Acton | Greater London - Ealing | 116m - 1169m |
| 4M 1551y to 5M 0340y | West Acton | Greater London - Ealing | 1179m - 1415m |
| 5M 0341y to 5M 1264y | Alperton | Greater London - Brent | 1218m - 1406m |
| 5M 1265y to 7M 0758y | Perivale | Greater London - Ealing | 564m - 1728m |
| 7M 0759y to 7M 1374y | Greenford | Greater London - Ealing | 1724m - 1745m |
| 7M 1375y to 9M 0868y | Northolt | Greater London - Ealing | 277m - 1724m |
| 9M 0869y to 10M 1095y | South Ruislip | Greater London - Hillingdon | 265m - 1072m |
🏷️ Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 29 | -10m | 15m | -0m | -0m | 5m |
| Normalised Quarter Miles | 29 | 429y | 456y | 440y | 440y | 5y |
| Calibration Segment Length | 29 | 124y | 1095y | 452y | 440y | 137y |