Marker Posts on the A550
Dataset summary for A550 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 (A550)
199
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 | 154 | 77.39% | 0/0A – 6/9A |
| null | 45 | 22.61% | 12/8A – 17/2A |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| NW | 154 | 77.39% |
| null | 45 | 22.61% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| A | 122 | 61.31% |
| B | 77 | 38.69% |
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 A550 dataset:
NW · AREA10 · P0/0A
NW · AREA10 · P0/0A
NW · AREA10 · P0/0B
NW · AREA10 · P0/0B
NW · AREA10 · P0/1A
NW · AREA10 · P0/1A
NW · AREA10 · P0/1B
NW · AREA10 · P0/1B
NW · AREA10 · P0/2A
NW · AREA10 · P0/2A
NW · AREA10 · P0/2B
NW · AREA10 · P0/2B
NW · AREA10 · P0/3A
NW · AREA10 · P0/3A
NW · AREA10 · P0/3B
NW · AREA10 · P0/3B
NW · AREA10 · P0/4A
NW · AREA10 · P0/4A
NW · AREA10 · P0/4B
NW · AREA10 · P0/4B
NW · AREA10 · P0/5A
NW · AREA10 · P0/5A
NW · AREA10 · P0/5B
NW · AREA10 · P0/5B
NW · AREA10 · P0/6A
NW · AREA10 · P0/6A
NW · AREA10 · P0/6B
NW · AREA10 · P0/6B
NW · AREA10 · P0/7A
NW · AREA10 · P0/7B