Annabel Smyth wrote:
PeterE wrote to uk.transport.london on Sun, 22 Aug 2004:

Relatively few roads have white lines along the side of the
carriageway. These are normally rural primary routes, where the
intention is to narrow the apparent width of the road, something I
might assume you support.

Er - I think you'll find the intention is to show the edge of the road
to motorists at night, bearing in mind that such roads are normally
unlit.

That's far to obvious a concept, it's not "oppresing the motorist".