[Matra et Alpine]

Some stages will be given as a set of route instructions.
The comon abbreviations used in these are :-

B Brown
CAR Consider All Routes
CRO Coloured Roads Only
DSO Driving Standards Observer
E East
ELT Electricity Transmission Line
FL Fork Left
FR Fork Right
G Green
GI Graticule Intersection
GL Grid Line
GR Grid Reference
GS Grid Square
IGR Ignore Gated Roads
J Junction
MP Mileage Post
MR Map Reference
MS Mile Stone
N North
NAM Not As Map junction
PC Passage Control
R Red
RA RoundAbout
S South
SH Spot Height
SO Straight On
SR Side Road
TC Time Control
TJ T-Junction
TL Turn Left
TR Turn Right
W White or West
XR Cross Roads
Y Yellow
YJ Y Junction

So coming to a T junction and being instructed to turn right would be ...

TJTR

Passing a side road would be
SRSO

and so on