Adur and Worthing Councils and West Sussex County Council have agreed to work together to deliver a set of growth priorities for the area.
New signs added and removed to help improve driver behaviour.
Series of road safety measures will make the shape of the road clearer to motorists.
Flooding initiative funded for a further year after £500,000 commitment in 2017/18 budget.
The budget for 2017/18 has been agreed at a meeting of West Sussex County Council.