Police confirmed a man who was taken to hospital remains in a serious but stable condition.
The 72-bed care home was rejected at a planning meeting as it sits on protected land.
Govinder Singh, 28, hit a number of people with his car before getting out and "throwing punches".
Lower speed limits will be enforced in part of North Evington alongside new speed humps.
Gary Piatek, 60, has not been seen since April 2024, with "no proof of life" since then, police say.
Nine people remain in custody on suspicion of the murder of Gary Piatek, 60, who was last seen in 2024.
Police say officers launched the investigation after a man in his 60s had not been seen since 2024.
The teenager was taken to hospital with injuries not believed to be life-threatening, police say.
Leicester City Council says the scheme mainly includes terraced streets off Evington Road.