Marker Posts on the M1
Dataset summary for M1 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 (M1)
6216
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| AREA7 | 2959 | 47.6% | 0/2J – 239/8A |
| AREA12 | 1227 | 19.74% | 239/4K – 300/7B |
| AREA8 | 1196 | 19.24% | 34/2A – 94/0A |
| AREA5 | 464 | 7.46% | 11/0A – 34/3B |
| CONNECT27 | 370 | 5.95% | 300/8B – 319/5A |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| EM | 2944 | 47.36% |
| HE | 1660 | 26.71% |
| NE | 1612 | 25.93% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| A | 3106 | 49.97% |
| B | 3096 | 49.81% |
| K | 5 | 0.08% |
| J | 3 | 0.05% |
| L | 3 | 0.05% |
| M | 3 | 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 M1 dataset:
EM · AREA7 · P0/2J
EM · AREA7 · P1/1J
EM · AREA7 · P1/1M
EM · AREA7 · P1/3J
EM · AREA7 · P1/3M
EM · AREA7 · P100/0A
EM · AREA7 · P100/0B
EM · AREA7 · P100/1A
EM · AREA7 · P100/1B
EM · AREA7 · P100/2A
EM · AREA7 · P100/2B
EM · AREA7 · P100/3A
EM · AREA7 · P100/3B
EM · AREA7 · P100/4A
EM · AREA7 · P100/4B
EM · AREA7 · P100/5A
EM · AREA7 · P100/5B
EM · AREA7 · P100/6A
EM · AREA7 · P100/6B
EM · AREA7 · P100/7A
EM · AREA7 · P100/7B
EM · AREA7 · P100/8A
EM · AREA7 · P100/8B
EM · AREA7 · P100/9A
EM · AREA7 · P100/9B
EM · AREA7 · P101/0A
EM · AREA7 · P101/0B
EM · AREA7 · P101/1A
EM · AREA7 · P101/1B
EM · AREA7 · P101/2A