Transport corridors · Corridor
Part of the Llansamlet, Birchgrove & Winch Wen area guide
M4 Junction 45 corridor
A practical local guide to habitats worth checking and the plants most likely to need careful identification.
Map of M4 Junction 45 corridor
51.6841, -3.9171
The map shows the general area only. It does not mark confirmed invasive plant sites or individual properties.
About the area
M4 Junction 45 corridor facts
M4 Junction 45 corridor is a movement corridor through Swansea, with verges, embankments and regularly disturbed ground alongside it. It is part of Llansamlet, Birchgrove & Winch Wen within the City and County of Swansea.
- Carries regular traffic or rail movement through the Swansea area.
- Verges and embankments are cut on a maintenance cycle rather than left permanently untouched.
- Repeated soil disturbance during works is common along routes like this.
General local background, kept separate from the plant guidance below.
Local habitat
Where to look
Verges, embankments, drainage channels, retaining walls and disturbed ground are the main places where invasive or escaping garden plants can establish around M4 Junction 45 corridor.
This is habitat guidance, not a claim that a particular property or site is infested.
