A new web campaign has started to fight the “toll free” toll on the M50.
Some of their suggested steps are here which should cause disruption but not on the M50:
3 Step Pay Guide
Support M50 eToll O.F.F. Campaign, by following 3 steps
Step 1: Do not purchase or use any prepay options.
Step 2: Use the M50 as normal.
Step 3: Pay via the telephone service by Dialing 1890 50 10 50 at exactly 7.45pm the following day.