Londondrz,
You are correct that if people waited for green then they are almost guaranteed a safe crossing (assuming cars don't jump the lights or stop across the junction). But the reality of this crossing is a bit more confusing for pedestrians.

As you can see from the photo from Google Streetview, as soon as the traffic light from London Road goes red, some people assume they can cross, and some make it before the cars from Dartmouth Road get to the crossing, others have to turn back having stepped into the road, expecting that the green man phase was coming up.
The positioning of the traffic signal and the pedestrian signal make it particularly unclear for pedestrians as the pedestrian signal is only on one side of the crossing, away from the traffic signal and pedestrians cannot see that the lights facing Dartmouth Road are changing.

A countdown timer (for waiting rather than crossing pedestrians) would help pedestrians to know how long they will wait until the next green man. Unfortunately, although this works in many places throughout America, and helps pedestrians to understand how long they have to wait. See http://media.columbian.com/img/photos/20...signal.jpg

P1971,
I haven't heard anything further on plans for 2018. And the article fails to clarify:

However: