Transportation is not the same around the world.
The street traffic in Chihuahua, Mexico.
Vehicle Miles Traveled
VMT or vehicle miles traveled are on the rise nationally for several underlying demographic patterns:
but motor vehicles produce pollution adding nitrogen oxides to the air which trap infrared radiation and combine with water to form acid rain and fog that contributes to nitrogen levels in water bodies. Excessive nitrogen levels in water are unhealthy for babies.
Here pictured below is a ten lane-wide section of Interstate 95 in South Florida, north of Miami and an aerial view of suburban environs.
The consequence of highways for cars is a transformation of space and time it takes to travel or transport goods.
Here people are pictured because in the developing world human labor, not vehicles carry goods.
Landscape patterns of Guatemalan fields along a hillside.
Only 25% of nation's families are composed of traditional married couples.
Today most household partners work outside of the home.
Household sizes are smaller; yet homes are nearly twice the square footage that they were fifty years ago.
The number of vehicles per person is higher today than 20 years ago.
The earliest cars resembled carriages, the forerunner of automobiles.
What is a forerunner? A person or thing that precedes the coming or development of someone or something else: the icebox was a forerunner of today's refrigerator.