Online form
https://www.brent.gov.uk/servlet/auth.Login?ask=no&auth=3603&st=&redirect=https%3A%2F%2Fwww.brent.gov.uk%2Fservlet%2Fep.app%3Ftype%3D0022066_BC%26srvId%3D134709_BC&anonymous=https%3A%2F%2Fwww.brent.gov.uk%2Fservlet%2Fep.app%3Fut%3DX%26type%3D0022066_BC%26srvId%3D134709_BC&context=Enquiry about E %26 C Directorate
Phone
020 8937 5132/5185 - traffic management
020 8937 5106 - highways engineering
020 8937 5122 - major projects & strategy
020 8937 5118 - civil engineering
020 8937 5570 - accident prevention unit