I would guess at driver side rear.
Reason:
Probable that ABS is kicking in due to thinking a wheel has locked up/not receiving a signal from sensor.
1, speedo working front offside sensor working
2, No warnings on for cruise or traction front offside and nearside sensor working.
3, Left hand corner means drivers side wheels rotate faster than passenger side
4, Right hand corner means passenger side wheels rotate faster than drivers side
The above would suggest that when the speed drops below a certain point the signal is lost. R/H bend will slow drivers side wheels the most.
I thank you ...........
