The National Academies Press

Currently Skimming:

Pages 131-152

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.

From page 131... ... Similarly, while tools such as Geographic Information Systems (GISs) , decision-support systems, and remote sensing are aides to transportation planning, technology cannot choose the problems that are addressed. Read the entire page →
From page 132... ... Many federal data creation and delivery programs have provided much useful information to state and local decision makers; however, these programs could be improved by making data available more frequently, for more parts of the country, and at greater resolution. Urban and suburban issues in particular require high spatial resolution and relatively high temporal resolution data, such as traffic surveillance or percentage of impervious surface coverage. Read the entire page →
From page 133... ... Paul area. The I-35W Corridor Coalition's goals were regional community development, quality growth and diversification, and collaborative planning. Read the entire page →
From page 137... ... In terms of transportation decision making, it is difficult to collect data about past patterns of transportation investments. Yet data on the historical precedents of these investments are important as indicators of social equity, as well as sources of information about depreciation and deterioration of infrastructure and about obsolescence in terms of location, safety, and other characteristics. Read the entire page →
From page 138... ... uses the Internet to deliver data collected and published by more than 70 federal agencies without the user's knowing in advance which agency produced them. While it may not be necessary to know which agency produced the data, public support for government depends on public understanding of the role that government plays in people's lives. Read the entire page →
From page 139... ... Large portions of the National Wetland Inventory are mapped at 1:24,000, and steps have been taken to accelerate the national county soil-mapping program. In addition, the Census Bureau continues to deliver high-quality, high-resolution decennial Census data. Read the entire page →
From page 140... ... 140 COMMUNITY AND QUALITY OF LIFE Sample Scales and Typical Uses One Inch Scale Covers Roughly Typical Map 1:480 1 :1,200 1:4,800 1:24,000 1:100,000 1:1,000,000 1:5,000,000 0.008 mile (40 feet) 0.02 mile (100 feet) Read the entire page →
From page 141... ... Census data are an excellent example. Decennial Census data are collected only once every 10 years. Read the entire page →
From page 142... ... However, integrated digital geographic databases impose new requirements that necessitate new data collection, maintenance and quality assurancequality control efforts by these administrations. Unless the benefits can be demonstrated to mode-specific administrations, it is difficult to see how they will change their data collection and process Read the entire page →
From page 143... ... from a private firm, including access to all state and local government offices, which are accessible at no charge. There are multiple reasons why state and local government data may be less than ideal. Read the entire page →
From page 144... ... Information on employment is collected as part of unemployment insurance programs information that could be useful for transportation planning. Because those collecting the data are focused on the insurance issue, they do not require reporting firms to adhere to the rule about separating employees by place of work. Read the entire page →
From page 145... ... Individual states have motor vehicle registration data, but Dodge-Polk makes such data comparable across the country. State governments collect data on employment, but Dunn & Bradstreet data is available for individual firms and location. Read the entire page →
From page 146... ... Increasingly, data access is provided over the Internet. For example, Census data are available over the Internet (see http: / /www.census.gov) Read the entire page →
From page 147... ... DATA AND ANALYSIS TOOLS 147 wide variety of users and providers of data (for example, the Network provides on-line delivery of demographic data from CACI International Inc., for a geographic area surrounding a user-provided address [see http:// geographynetwork.com] Read the entire page →
From page 148... ... The major gaps include the following: 1. Certain data are not available on a sufficiently timely basis (for example, decennial Census data for small areas) Read the entire page →
From page 149... ... Some federal data could be quite useful for local decision making, but additional effort is required to clarify collection and distribution procedures. The ES202 data are a prime example. Read the entire page →
From page 150... ... 1995. A Data Foundation for the National Spatial Data Infrastructure. Read the entire page →
From page 151... ... Appendixes Read the entire page →

From page 131...

... Similarly, while tools such as Geographic Information Systems (GISs) , decision-support systems, and remote sensing are aides to transportation planning, technology cannot choose the problems that are addressed.