Marker Posts in NULL

Dataset summary for NULL including breakdowns by road, area, and suffix letter.

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Total marker posts (NULL)

8531

Breakdowns included

Road Area (AREA1–AREA12) Suffix (A/J/M/K…)

Road breakdown

Canonical grouping

Road	Count	%	View
M4	3467	40.64%	View road
A55	2575	30.18%	View road
A470	674	7.9%	View road
A465	554	6.49%	View road
M48	423	4.96%	View road
A449	418	4.9%	View road
A40	282	3.31%	View road
A48M	79	0.93%	View road
A550	45	0.53%	View road
A487	10	0.12%	View road
A4281	4	0.05%	View road

Area breakdown

Includes numeric range

Area	Count	%	Range
null	8531	100.0%	0/0A – 1032/5A

Suffix letter breakdown

Derived from the end of the marker post number

Suffix	Count	%
A	4031	47.25%
B	3977	46.62%
M	154	1.81%
J	151	1.77%
L	113	1.32%
K	105	1.23%

Example: 0/1J → suffix J.

Example marker posts

A small sample of marker posts for NULL:

A40 · null · 0/0A A40 · null · 0/0B A40 · null · 0/1A A40 · null · 0/1B A40 · null · 0/2A A40 · null · 0/2B A40 · null · 0/3A A40 · null · 0/3B A40 · null · 0/4A A40 · null · 0/4B A40 · null · 0/5A A40 · null · 0/5B A40 · null · 0/6A A40 · null · 0/6B A40 · null · 0/7A A40 · null · 0/7B A40 · null · 0/8A A40 · null · 0/8B A40 · null · 0/9A A40 · null · 0/9B A40 · null · 1/0A A40 · null · 1/0B A40 · null · 1/1A A40 · null · 1/1B A40 · null · 1/2A A40 · null · 1/2B A40 · null · 1/3A A40 · null · 1/3B A40 · null · 1/4A A40 · null · 1/4B