Marker Posts on the M25
Dataset summary for M25 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 (M25)
3697
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| AREA5 | 3697 | 100.0% | 0/1J – 186/9B |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| HE | 1895 | 51.26% |
| SE | 1772 | 47.93% |
| DRC | 30 | 0.81% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| B | 1803 | 48.77% |
| A | 1796 | 48.58% |
| J | 65 | 1.76% |
| M | 21 | 0.57% |
| L | 10 | 0.27% |
| K | 2 | 0.05% |
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 M25 dataset:
DRC · AREA5 · P185/5A
DRC · AREA5 · P185/5B
DRC · AREA5 · P185/6A
DRC · AREA5 · P185/6B
DRC · AREA5 · P185/7A
DRC · AREA5 · P185/7B
DRC · AREA5 · P185/8A
DRC · AREA5 · P185/8B
DRC · AREA5 · P185/9B
DRC · AREA5 · P186/0A
DRC · AREA5 · P186/0B
DRC · AREA5 · P186/1A
DRC · AREA5 · P186/1B
DRC · AREA5 · P186/2A
DRC · AREA5 · P186/2B
DRC · AREA5 · P186/3A
DRC · AREA5 · P186/3B
DRC · AREA5 · P186/4A
DRC · AREA5 · P186/4B
DRC · AREA5 · P186/5A
DRC · AREA5 · P186/5B
DRC · AREA5 · P186/6A
DRC · AREA5 · P186/6B
DRC · AREA5 · P186/7A
DRC · AREA5 · P186/7B
DRC · AREA5 · P186/8A
DRC · AREA5 · P186/8B
DRC · AREA5 · P186/9A
DRC · AREA5 · P186/9B
DRC · AREA5 · P7/9B