The graph below shows the most recent USDOT vehicle-travel data covering the last 25 years. Although vehicle-miles of travel (VMT) grew steadily during most of the Twentieth Century, in recent years the growth rate stopped and even declined a little. It is now about 10% below where it would have been had past trends continued.
Time is a limited and valuable resource. As much as possible, people should spend the precious hours of their lives in the most satisfying and productive possible ways. This has important implications for transportation planning, since most people spend a significant amount of time in transport, and travel time savings are often the greatest projected benefits of transport projects such as roadway and transit service improvements.
You really need to almost get hit by a car to feel like a true Johannesburg pedestrian. That's the way it goes here. A huge, sprawling greater metropolitan area of about 10 million people covering more than 600 square miles, the city is built for the car. And if you're not in one, good luck.
We live in a wonderful age! Scientists have proven that many simple, affordable, and often enjoyable activities make us healthier and happier: breath fresh air, avoid dangerous driving, be physically active, eat fresh fruits and vegetables, maintain friendships, play games, and avoid excessive stress. Even chocolate, red wine and sex are perscribed, in moderation, for health sake.
A few days ago I posted a blog that discussed the concept of Universal Design (transportation facilities designed to accommodate all possible users, including those with disabilities and other special needs) and the value it provides to individuals and communities. One way to approach this issue is to define the design vehicle for pedestrian facilities.