Marker Posts on the A3M

Dataset summary for A3M 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 (A3M)
176
Breakdowns included
Area (AREA1–AREA12) Region (NE/NW/SW…) Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range
Area Count % Number range
AREA3 176 100.0% 0/2A – 9/1B
Region breakdown
NE / NW / SW…
Region Count %
SE 176 100.0%
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…
Suffix Count %
A 90 51.14%
B 86 48.86%

Suffix letters are pulled from the end of the marker post number (e.g. 0/1JJ).

Example marker posts
Sample records

A small sample of marker posts for the A3M dataset:

SE · AREA3 · P0/2A SE · AREA3 · P0/3A SE · AREA3 · P0/4A SE · AREA3 · P0/5A SE · AREA3 · P0/6A SE · AREA3 · P0/6B SE · AREA3 · P0/7A SE · AREA3 · P0/7B SE · AREA3 · P0/8A SE · AREA3 · P0/8B SE · AREA3 · P0/9A SE · AREA3 · P0/9B SE · AREA3 · P1/0A SE · AREA3 · P1/0B SE · AREA3 · P1/1A SE · AREA3 · P1/1B SE · AREA3 · P1/2A SE · AREA3 · P1/2B SE · AREA3 · P1/3A SE · AREA3 · P1/3B SE · AREA3 · P1/4A SE · AREA3 · P1/4B SE · AREA3 · P1/5A SE · AREA3 · P1/5B SE · AREA3 · P1/6A SE · AREA3 · P1/6B SE · AREA3 · P1/7A SE · AREA3 · P1/7B SE · AREA3 · P1/8A SE · AREA3 · P1/8B