| Junctions and other features | Running Lines | Stations, Signal Boxes and Junctions | Distance from Signal Box above | Loops and Refuge Sidings | Notes | ||
|---|---|---|---|---|---|---|---|
| Up | Down | ||||||
|
Maximum permissible speed 60 m.p.h. Werrington Junction to Boston Maximum permissible speed 65 m.p.h. Boston to Grimsby |
|||||||
| 1 | - | ↓ | Werrington Junction | - | |||
| 2 | ↑ | ↓ | Peakirk Station | 2m 258yds | URS 52 | ||
| 3 | ↑ | ↓ | St. James Deeping Station | 1m 1467yds | DRS 52 URS 53 |
||
| 4 | ↑ | ↓ | Littleworth Station | 4m 513yds | DRS 47 | ||
| 5 | ↑ | ↓ | Hawthorn Bank | 4m 586yds | URS 82 | ||
| 6 | ↑ | ↓↓ | Spalding No. 1 | 0m 1232yds | |||
| Spalding Station | |||||||
| 7 | ↑ | ↓↓* | Spalding No. 2 | 0m 640yds | * To Mill Green | ||
| 8 | ↑↑ | ↓ | Spalding No. 3 | 0m 50yds | |||
| 9 | ↑ | ↓ | Surfleet Station | 3m 720yds | URS 47 | ||
| 10 | ↑ | ↓ | Algarkirk Station | 3m 1485yds | DRS 74 URS 59 |
||
| 11 | ↑ | ↓ | Kirton Station | 2m 1345yds | URS 55 | ||
| 12 | ↑ | ↓↓ | Boston Goods South | 2m 1595yds | |||
| 13 | ↑↑ | ↓↓ | Sleaford Junction | 0m 877yds | |||
| 14 | ↑↑ | ↓↓ | West Street Junction | 0m 489yds | |||
| Boston Station | |||||||
| 15 | ↑↑ | ↓ | Grand Sluice Junction | 0m 588yds | |||
| 16 | ↑ | ↓ | Maud Foster | 1m 547yds | |||
| 17 | ↑ | ↓ | High Ferry | 2m 829yds | |||
| 18 | ↑ | ↓ | Sibsey Station | 0m 1413yds | URS 36 | ||
| 19 | ↑ | ↓ | Old Leake Station | 1m 1121yds | |||
| 20 | ↑ | ↓ | Eastville Station | 3m 440yds | |||
| 21 | ↑ | ↓ | Bellwater Junction | 1m 1273yds | |||
| 22 | ↑ | ↓ | Little Steeping Station | 1m 966yds | |||
| 23 | ↑ | ↓ | Firsby South Junction | 1m 1356yds | |||
| 24 | ↑ | ↓ | Firsby Station | 0m 708yds | URS 55* DRS 100 |
* Points worked from Ground Frame | |
| 25 | ↑ | ↓ | Burgh-le-Marsh Station | 2m 99yds | DRS 80 | ||
| 26 | ↑ | ↓ | Willoughby Station | 3m 935yds | |||
| 27 | ↑ | ↓ | Alford Town Station | 2m 982yds | DRS 44 | ||
| 28 | ↑ | ↓ | Aby Station | 3m 162yds | |||
| 29 | ↑ | ↓ | Authorpe Station | 1m 528yds | |||
| 30 | ↑ | ↓ | Legbourne Road Station | 3m 835yds | |||
| 31 | ↑ | ↓ | Mablethorpe Junction | 1m 980yds | |||
| 32 | ↑ | ↓ | Louth South | 0m 1717yds | |||
| Louth Station | |||||||
| 33 | ↑ | ↓ | Louth North | 0m 319yds | |||
| ↑ | ↓ | Fotherby Haly | |||||
| Utterby Halt | |||||||
| 34 | ↑ | ↓ | Ludbrough Station | 5m 322yds | |||
| 35 | ↑ | ↓ | North Thoesby Station | 1m 1065yds | |||
| 36 | ↑ | ↓ | Holton-le-Clay Station | 1m 1576yds | |||
| Holton Village Halt | |||||||
| 37 | ↑ | ↓ | Waltham Station | 2m 113yds | |||
| 38 | ↑ | ↓ | Hainton Street | 2m 891yds | |||
| 39 | ↑↑ | ↓ | Grimsby Goods Junction | 0m 542yds | |||
| 40 | ↑ | - | Garden Street Junction | 0m 360yds | |||
| 1 | Welland | - | |||||
| 2 | Spalding No. 1 | 0m 1138yds | |||||
| 1 | Grimsby Goods Junction | - | |||||
| 2 | Pasture Street Crossing | 0m 340yds | |||||