Marker Posts on the M48
Dataset summary for M48 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 (M48)
820
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| null | 423 | 51.59% | 189/3A – 209/5A |
| WALES | 214 | 26.1% | 198/5A – 209/1A |
| AREA2 | 101 | 12.32% | 189/2A – 194/3A |
| SEVERN | 82 | 10.0% | 194/4A – 198/4A |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| null | 423 | 51.59% |
| SW | 397 | 48.41% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| A | 402 | 49.02% |
| B | 398 | 48.54% |
| K | 6 | 0.73% |
| L | 5 | 0.61% |
| M | 5 | 0.61% |
| J | 4 | 0.49% |
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 M48 dataset:
SW · AREA2 · P189/2A
SW · AREA2 · P189/3A
SW · AREA2 · P189/4A
SW · AREA2 · P189/5A
SW · AREA2 · P189/5B
SW · AREA2 · P189/6A
SW · AREA2 · P189/6B
SW · AREA2 · P189/7A
SW · AREA2 · P189/7B
SW · AREA2 · P189/8A
SW · AREA2 · P189/8B
SW · AREA2 · P189/9A
SW · AREA2 · P189/9B
SW · AREA2 · P190/0A
SW · AREA2 · P190/0B
SW · AREA2 · P190/1A
SW · AREA2 · P190/1B
SW · AREA2 · P190/2A
SW · AREA2 · P190/2B
SW · AREA2 · P190/3A
SW · AREA2 · P190/3B
SW · AREA2 · P190/4A
SW · AREA2 · P190/4B
SW · AREA2 · P190/5A
SW · AREA2 · P190/5B
SW · AREA2 · P190/6A
SW · AREA2 · P190/6B
SW · AREA2 · P190/7A
SW · AREA2 · P190/7B
SW · AREA2 · P190/8A