The development of artificial intelligence-based approaches to junction control is one of many new and promising technologies that can make better use of existing urban and road capacity, while reducing the environmental impacts of road traffic.
And one interesting change in the importance of location is that newly minted graduates of MIT and Harvard want to live and work in an urban environment rather than living in the suburbs and commuting to an office park near a major urban ring road.
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Establishment of industrial-development zones, urban expansion and road building are all shrinking agricultural land.
The fourth site is for eight residential pitches on green belt land on the edge of urban development at Throop Road, between Woodbury Avenue and an area of allotments.
"As a general rule, particularly in urban areas, the road networks are such that there are viable alternatives to highways and interstates, and cyclists are able to use the rest of the roadwork, " he said.
The fastest road near an urban area is California Route 73, a six-lane freeway in Orange County that connects Santa Ana and San Juan Capistrano through the San Joaquin Hills.
Lists of such agencies can be found on the websites of the Department of Housing and Urban Development and Denver's Road Home.
Road pricing, taxes on urban parking and other targeted measures would be far better at tackling the traffic jams that occur at particular times and in particular places.
Mr Powell said the link road would provide access to the proposed Urban Village development, which included affordable new homes.
Cyclists may have a harder time on the streets, especially if they are not used to urban riding, but there are plenty of off-road routes.
If you're in South Beach, Lincoln Road and Collins Avenue are home to chains like Urban Outfitters , American Apparel and Banana Republic , as well as more interesting boutiques.
With traffic and traffic lights there to confound smooth progress, putting a foot down when the road does finally open up is one of the few ways an urban driver can exert some control over a journey.
"A researcher I was speaking to recently reckons green walls in urban canyon environments (areas where walls are higher than the width of the road separating them) are more effective than trees at collecting particles because the way the wind eddies around and then moves down the wall, " Laurence said.
The fact is that a driverless car would slash hundreds of billions of dollars of annual revenue, or even trillions, from all sorts of entities: car makers, parts suppliers, car dealers, auto insurers, auto financiers, body shops, emergency rooms, health insurers, medical practices, personal-injury lawyers, government taxing authorities, road-construction companies, parking-lot operators, oil companies, owners of urban real estate, and on and on and on.
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The bridge and the government's rural road-development project will connect remote, underdeveloped regions of eastern Mongolia to the country's urban centres and north-east Asia.
Charging motorists for scarce road space, with most of the revenues being used to finance improvements in bus, rail or urban mass-transit systems, is the only sensible route to restraint.
Crossing downtown Seoul is the Cheonggye stream -- a river that was covered by a road until it was unearthed in 2005 and transformed into one of the city center's most popular urban oases and worth a stroll in the evening.
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