A canal, like rivers and other watercourses, are shown in blue. A canal may also have a black dashed line to show the tow-path, which is usually on one side of the canal.
Red . On all the many OS maps that I have, motorways are blue.
It can mean a place... not sure.
a
The Ordnance Survey is the national mapping agency of Great Britain. On an Ordnance Survey map, a zoo is represented by an elephant.
Ch means church.
There are many places where one can find an ordnance survey map. One looking to find an ordnance survey map should visit the official Ordnance Survey website and click the 'Get a Map' link.
Red . On all the many OS maps that I have, motorways are blue.
It can mean a place... not sure.
Ordnance Survey
Alley
Ordnance Survey maps.
a
The Ordnance Survey is the national mapping agency of Great Britain. On an Ordnance Survey map, a zoo is represented by an elephant.
what is the importance of a ordnance survey map to uniformed public services?
Town Hall
lines
ZOO