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
Memorial Drive (Houston) ramps at Shepherd Drive. Motorists can enter Memorial Drive from northbound (by way of the I-45 northbound/Pease Street distributor ramp) or southbound Houston Avenue, Prairie Street, and Capitol Street. Motorists exit either to I-45 southbound and Pierce, Jefferson and Bagby Streets (by way of the Heiner Street distributor elevated ramp), Rusk Street, or Texas Avenue. Most of this parkway is three lanes in each direction. This section of Memorial Drive hugs the north bank of Buffalo Bayou, crossing over it twice near Glenwood Cemetery, while Allen Parkway follows the south bank of the Bayou. There are continuous bike paths and