Detail of dripping rice-straw ash glaze (top), Japan, 1852. Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. Glaze can serve to color, decorate or waterproof an item.
What have we learned from the past 35 years? How can we use our experience to improve the decision and policy making process as we embark on the next major era in transportation in the U.S.? First and foremost, we need to re-consider how we envision the role of transportation in our society.While historically transportation has been defined as the safe and efficient movement of people and goods, in our society, it is far more than that.e have an unprecedented opportunity to take stock and seriously consider the role of transportation in our society. The transportation policies we are formulating today will have widespread ramifications, both for ourselves and for the next generation.
Page Content. Public transportation in the United States is a crucial part of the solution to the nationâs economic, energy, and environmental challenges-helping to bring a better quality of life. In increasing numbers, people are using public transportation and local communities are expanding public transit services. People board public transportation 36 million times each weekday. 2  Public transportation is a $61 billion industry that employs more than 400,000 people. 3  More than 7,200 organizations provide public transportation in the United States.