Multiple give ways on main road junction - priority?

[Phil99]

Looking for everyone's interpretation of the following junction:

https://www.google.co.uk/maps/@52.2...332.35336&pitch=0&thumbfov=100!7i13312!8i6656

There's a give way to turn on to the main road (A10) from Humphries Way, and also a give way to come off the main road (for the right turn).

Highway code rule 172 says:

The approach to a junction may have a ‘Give Way’ sign or a triangle marked on the road. You MUST give way to traffic on the main road when emerging from a junction with broken white lines across the road.
Laws RTA 1988 sect 36 & TSRGD regs 10(1),16(1) & 25

So it's quite obvious that vehicles emerging from the side road should give way to traffic on the main road coming from their right. But what about cars coming from their left, signalling to turn off the main road, who also have a give way ahead? If a car is waiting at the junction to turn right on to the main road from Humphries Way, do cars turning off the main road have priority despite their own give way markings as they're (kind of) still on the main road?

 

[Orionaut]

I would say that the clear intention of the Give Way line for the traffic turning off the main road is to give priority to emerging traffic that want to make a right turn onto the main road. Otherwise that line serves no purpose.

 

[Yellow_Sun]

Traffic on main road has priority and more so if other cars are turning in front of you.
But Its a highway code nightmare, is it an accident black spot?

 

[blueboy2001]

Traffic turning right off the A10 gives way to traffic crossing the central reservation from Humphries Way.

Which is what Orionaut said.

The same layout is used a little further along the A10 for a junction on the other side. It's not an ideal layout and was probably designed when traffic in or out of the side road was a lot lighter than it is now. You could easily get a situation of vehicles queuing on the A10 waiting to turn right.