Marker Posts on the M57
Dataset summary for M57 including area, region, and suffix letter breakdowns.
Use the map to explore the live dataset
Filter by road, region and area — then drill into the exact marker post you need.
Total marker posts (M57)
310
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| AREA10 | 310 | 100.0% | 3/6A – 19/6B |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| NW | 310 | 100.0% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| A | 160 | 51.61% |
| B | 149 | 48.06% |
| ? | 1 | 0.32% |
Suffix letters are pulled from the end of the marker post number (e.g. 0/1J → J).
Example marker posts
Sample recordsA small sample of marker posts for the M57 dataset:
NW · AREA10 · P10/0A
NW · AREA10 · P10/0B
NW · AREA10 · P10/1A
NW · AREA10 · P10/1B
NW · AREA10 · P10/2A
NW · AREA10 · P10/2B
NW · AREA10 · P10/3
NW · AREA10 · P10/3A
NW · AREA10 · P10/3B
NW · AREA10 · P10/4A
NW · AREA10 · P10/4B
NW · AREA10 · P10/5A
NW · AREA10 · P10/5B
NW · AREA10 · P10/6A
NW · AREA10 · P10/6B
NW · AREA10 · P10/7A
NW · AREA10 · P10/7B
NW · AREA10 · P10/8A
NW · AREA10 · P10/8B
NW · AREA10 · P10/9A
NW · AREA10 · P10/9B
NW · AREA10 · P11/0A
NW · AREA10 · P11/0B
NW · AREA10 · P11/1A
NW · AREA10 · P11/1B
NW · AREA10 · P11/2A
NW · AREA10 · P11/2B
NW · AREA10 · P11/3A
NW · AREA10 · P11/3B
NW · AREA10 · P11/4A