Highways and highway authorities. Creation of highways. Rights of the highway authority and of adjoining in, under and over the highway. The maintenance of highways. Civil liability for failure to maintain. Improvement of highways. Protection of the highway and highway users. Extinguishment and diversion at highways. Streets, new streets and private streets. Bridges. Footpaths and bridleways. Street works. Acquisition of land, compulsory purchase powers, inquiries and compensation.