Went under the underpass today for the first time as I went into work late, normally avoid because of traffic etc. Typically go straight up A46 to A444 Whitley roundabout.
I've seen the red line on Google maps get worse this week. I have a feeling tollbar restriction allowed traffic to leave relatively cleanly and then cross TGI at a decent rate and flow.
The volume going to TGI must now be getting stuck, especially with the people turning right tending to tailback and block the right lane and then you have the whacky races aspect of people using that third lane....
Will need a few weeks to work out whats going on I guess.