Convention (norm) States and in Germany that motorists drive on the right side of the road, whereas in New Zealand and the United Kingdom motorists drive on the left. The standardization of time is a human convention based on the solar cycle or calendar. The extent to which justice is conventional (as opposed to natural or objective) is historically an important debate among philosophers. The nature of conventions has raised long-lasting philosophical discussion. Quine, Davidson, and David Lewis published influential writings on the subject. Lewis's account of convention received an extended critique in Margaret Gilbert's "On Social Facts" (1989), where an alternative
The Horsley Drive farther. Clustered tree planting near Cowpasture Road (South side of The Horsley Drive only), as well near the M7 Motorway indicates the natural aesthetic of the topical landscape to underline The Horsley Drive’s entry into the Western Sydney Parklands scenery. There are three main pedestrian and cycle access points to The Horsley Drive at the M7 Motorway, Ferrers Road and the Upper Canal System. At this point, Ferrers Road forms the gateway to the "Horsley Park Urban Farming Precinct". Several private driveways also have access to The Horsley Drive. Access to the Sydney International Equestrian Centre is from Saxony Road,