Ten wedding guests were killed and 25 were injured in the tragic bus rollover following a reception at Wandin Valley Estate on June 11.
On Tuesday, they met with NSW Premier Chris Minns and Roads Minister Jo Haylen, who committed to working with them on those points.
9News understands the meeting was emotional and moved everyone in the room.
The group is confident that they will see real progress in the coming weeks.
The state government finalised its own inquiry on Monday but the findings are yet to be released.
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Tigani had previously said the taskforce was ”a tiny baby step towards that step of healing”.
Gaffney is a road safety engineer with 40 years of experience and believes the road the bus crashed on wasn’t up to scratch.
“I was surprised how bad it actually was in terms of an 80km speed zone and in terms of an egg-shaped roundabout with negative camber which means the road is sloping the wrong way,” he told 9News last week.
He said some of the guard rails were also not fitted correctly.
The plan includes making speed limiting and monitoring devices mandatory similar to a black box in an aeroplane.
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