Bicycle and pedestrian data  sources, needs, & gaps. 

 - (Washington, DC)  U.S. Dept. of Transportation, Bureau of Transportation Statistics  2000. 
 - v, 77 p.  ill.  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commuting--United States.<br/>Pedestrians--United States.<br/>Cycling--United States.