Marker Posts on the A20
Dataset summary for A20 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 (A20)
308
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| AREA4 | 228 | 74.03% | 109/6A – 121/0B |
| AREA5 | 80 | 25.97% | 24/2B – 28/1B |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| SE | 308 | 100.0% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| A | 154 | 50.0% |
| B | 154 | 50.0% |
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 A20 dataset:
SE · AREA4 · P109/6A
SE · AREA4 · P109/7A
SE · AREA4 · P109/7B
SE · AREA4 · P109/8A
SE · AREA4 · P109/8B
SE · AREA4 · P109/9A
SE · AREA4 · P109/9B
SE · AREA4 · P110/0A
SE · AREA4 · P110/0B
SE · AREA4 · P110/1A
SE · AREA4 · P110/1B
SE · AREA4 · P110/2A
SE · AREA4 · P110/2B
SE · AREA4 · P110/3A
SE · AREA4 · P110/3B
SE · AREA4 · P110/4A
SE · AREA4 · P110/4B
SE · AREA4 · P110/5A
SE · AREA4 · P110/5B
SE · AREA4 · P110/6A
SE · AREA4 · P110/6B
SE · AREA4 · P110/7A
SE · AREA4 · P110/7B
SE · AREA4 · P110/8A
SE · AREA4 · P110/8B
SE · AREA4 · P110/9A
SE · AREA4 · P110/9B
SE · AREA4 · P111/0A
SE · AREA4 · P111/0B
SE · AREA4 · P111/1A