Part 1 (Masters, Experts and Novices)

TC1 at SH 158

TC2 at SH as shown.

Part 2 (Masters Only)

Continue via the following incomplete squares, not in order:

To TC3 as shown.

Completely back to basics with this one, tracings instead of map bits. I make no excuses for them being hand drawn.

Part 1
With one exception, the tracings were alternate squares. Using the white in 1787 to approach T from the West was not the shortest route and gave an incorrect answer to RC4.

Part2
Crow kindly reduced the size of these tracings to fit them on the page, which made your task a little more difficult.

RC6 - 11th tracing didn't make it clear whether to use the S layby in GS 2687 so 3 or 4 allowed.