| Route | Great Western Main Line (GWML) |
| Section | Chacewater to Penzance |
| ELR Maps | Atlas , Interactive |
| Area Maps | ELR change MLN3-MLN4 , St Erth , Penzance |
| Extent | 305M 1435y to 326M 1208y • 20.871 miles • 33.589 km |
| Measured | 33.552 km (Δ -37m) |
| Grouping | MLN1 , MLN2 , MLN3 , MLN4 |
| Neighbours | MLN3 , SIV |
| NR Region | Wales & Western |
 | TRACKmaps Book 3 — Western & Wales |
🏢 Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 305M 1435y to 326M 1208y | England | Cornwall |
📍 Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 305M 1435y to 305M 1726y | Chacewater | Cornwall | 1005m - 1130m |
| 305M 1727y to 306M 1660y | Blackwater | Cornwall | 537m - 1126m |
| 306M 1661y to 308M 0318y | Scorrier | Cornwall | 90m - 1071m |
| 308M 0319y to 308M 1308y | Mount Ambrose | Cornwall | 471m - 805m |
| 308M 1309y to 309M 0538y | Treleigh | Cornwall | 337m - 689m |
| 309M 0539y to 309M 0824y | Plain-An-Gwarry | Cornwall | 529m - 700m |
| 309M 0825y to 310M 0296y | Redruth | Cornwall | 13m - 560m |
| 310M 0297y to 310M 0384y | Plain-An-Gwarry | Cornwall | 574m - 591m |
| 310M 0385y to 310M 1000y | Church Town | Cornwall | 271m - 589m |
| 310M 1001y to 310M 1484y | Carn Brea Village | Cornwall | 157m - 265m |
| 310M 1485y to 311M 0120y | Blowinghouse | Cornwall | 278m - 468m |
| 311M 0121y to 311M 0274y | Tolskithy | Cornwall | 472m - 479m |
| 311M 0275y to 311M 1066y | Illogan Highway | Cornwall | 407m - 646m |
| 311M 1067y to 311M 1726y | Pool | Cornwall | 623m - 723m |
| 311M 1727y to 312M 1088y | Brea | Cornwall | 219m - 727m |
| 312M 1089y to 313M 0318y | Pengegon | Cornwall | 145m - 617m |
| 313M 0319y to 313M 1462y | Camborne | Cornwall | 440m - 726m |
| 313M 1463y to 314M 1594y | Penponds | Cornwall | 92m - 1018m |
| 314M 1595y to 315M 1110y | Roseworthy | Cornwall | 854m - 1149m |
| 315M 1111y to 316M 0582y | Carnhell Green | Cornwall | 1007m - 1566m |
| 316M 0583y to 317M 0362y | Connor Downs | Cornwall | 809m - 1553m |
| 317M 0363y to 318M 0076y | Angarrack | Cornwall | 168m - 811m |
| 318M 0077y to 318M 0934y | Guildford | Cornwall | 29m - 514m |
| 318M 0935y to 318M 1066y | Ventonleague | Cornwall | 276m - 325m |
| 318M 1067y to 319M 0208y | Copperhouse | Cornwall | 228m - 562m |
| 319M 0209y to 319M 0890y | Foundry | Cornwall | 34m - 580m |
| 319M 0891y to 320M 0230y | Hayle | Cornwall | 36m - 920m |
| 320M 0231y to 320M 1132y | Griggs | Cornwall | 571m - 909m |
| 320M 1133y to 321M 0538y | Rose-an-Grouse | Cornwall | 41m - 562m |
| 321M 0539y to 322M 0098y | Canon’s Town | Cornwall | 341m - 887m |
| 322M 0099y to 322M 0384y | Whitecross | Cornwall | 875m - 893m |
| 322M 0385y to 322M 1396y | Cockwells | Cornwall | 861m - 1057m |
| 322M 1397y to 323M 0120y | Crowlas | Cornwall | 915m - 1057m |
| 323M 0121y to 323M 1550y | Gwallon | Cornwall | 511m - 914m |
| 323M 1551y to 324M 1198y | Newtown | Cornwall | 426m - 902m |
| 324M 1199y to 325M 0912y | Longrock | Cornwall | 74m - 838m |
| 325M 0913y to 326M 0648y | Chyandour | Cornwall | 111m - 839m |
| 326M 0649y to 326M 0934y | Trythogga | Cornwall | 569m - 746m |
| 326M 0935y to 326M 1208y | Penzance | Cornwall | 509m - 740m |
🏷️ Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 85 | -19m | 18m | -0m | 0m | 6m |
| Normalised Quarter Miles | 85 | 420y | 460y | 439y | 440y | 6y |
| Calibration Segment Length | 85 | 39y | 440y | 432y | 440y | 48y |