| Route | Bristol and South Wales Union Line |
| Section | Bristol East Jn to Severn Tunnel Jn |
| Maps | BSW • Google • Bedminster , Bristol , Filton , Severn Tunnel |
| Details | Track Curvature • Elevation Profile • Geology |
| Extent | 0M 0118y to 17M 0049y • 16.961 miles • 27.296 km |
| Measured | 27.292 km (-4m, relative to reported extent) |
| Neighbours | AFR , BAW , BLL , CNX , CWT , FEC , FWC , MLN1 , PAC , SBK1 , SBK2 , SWB , SWM2 |
| TRACKmaps | 🟠 Western & Wales |
| NR Region | 🟧 Wales & Western |
| LOR | 🟠 Stoke Gifford Jn to Bristol East Jn GW450 🟠 Filton Jn to Patchway Jn GW540 🟠 Wootton Bassett Jn to Pilning GW600 🟠 Pilning to Fishguard Harbour GW900 |
Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 0M 0118y to 3M 0362y | England | Bristol |
| 3M 0363y to 13M 1000y | England | South Gloucestershire |
| 13M 1001y to 17M 0049y | Wales | Monmouthshire |
Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 0M 0118y to 0M 0934y | The Dings | City of Bristol | 89m - 438m |
| 0M 0935y to 0M 1506y | Barton Hill | City of Bristol | 27m - 316m |
| 0M 1507y to 0M 1726y | Russell Town | City of Bristol | 188m - 211m |
| 0M 1727y to 1M 0428y | Moorfields | City of Bristol | 57m - 234m |
| 1M 0429y to 1M 0934y | Upper Easton | City of Bristol | 244m - 506m |
| 1M 0935y to 1M 1308y | Lower Easton | City of Bristol | 520m - 769m |
| 1M 1309y to 2M 0142y | Eastville | City of Bristol | 752m - 865m |
| 2M 0143y to 2M 0516y | Montpelier | City of Bristol | 786m - 854m |
| 2M 0517y to 2M 1682y | Ashley Down | City of Bristol | 397m - 784m |
| 2M 1683y to 3M 1440y | Lockleaze | City of Bristol | 118m - 733m |
| 3M 1441y to 4M 0780y | Northville | South Gloucestershire | 221m - 736m |
| 4M 0781y to 5M 0494y | Newleaze | South Gloucestershire | 219m - 990m |
| 5M 0495y to 5M 1572y | Stoke Gifford | South Gloucestershire | 972m - 1283m |
| 5M 1573y to 7M 0472y | Patchway | South Gloucestershire | 507m - 1270m |
| 7M 0473y to 8M 1154y | Over | South Gloucestershire | 537m - 1459m |
| 8M 1155y to 9M 1242y | Marsh Common | South Gloucestershire | 916m - 1461m |
| 9M 1243y to 10M 1088y | Pilning | South Gloucestershire | 203m - 1057m |
| 10M 1089y to 11M 0296y | Redwick | South Gloucestershire | 406m - 740m |
| 11M 0297y to 11M 0362y | New Passage | South Gloucestershire | 756m - 777m |
| 11M 0363y to 12M 0824y | Severn Beach | South Gloucestershire | 779m - 2211m |
| 12M 0825y to 14M 0296y | Sudbrook | Monmouthshire | 7m - 2203m |
| 14M 0297y to 14M 1418y | Portskewett | Monmouthshire | 494m - 1096m |
| 14M 1419y to 15M 1572y | Caldicot | Monmouthshire | 739m - 1177m |
| 15M 1573y to 16M 1594y | Rogiet | Monmouthshire | 377m - 1181m |
| 16M 1595y to 17M 0049y | Llanfihangel near Rogiet | Monmouthshire | 495m - 610m |
Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 70 | -17m | 13m | -0m | -0m | 4m |
| Normalised Quarter Miles | 70 | 421y | 454y | 440y | 440y | 5y |
| Calibration Segment Length | 70 | 12y | 440y | 426y | 440y | 70y |