Road safety officers will be speaking to cyclists during the evening rush this week.
The city council will receive the Department for Transport money towards its ongoing works.
Work is to start on removing about 200 trees from Withdean Park after an outbreak of elm disease.
Brighton & Hove City Council says the centre will have swimming pools, a gym, soft play and a cafe.
Several years in the making, the £12.8m scheme has revamped public spaces and roads in the city.
The decision was confirmed at a council meeting on Thursday, but it will return for 2027.
Parents say they are worried changes to SEND support will give them less power to appeal decisions.
Concerns are also raised about the impact of the continuing uncertainty on council staff.
Residents in the flats in Whitehawk, Hollingdean and Kemptown are being supported, the council says.
