494 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



the automobile shows, attracted attention as one of the most interest- 

 ing exhibits wherever it was displayed. The exhibit represented 

 three aspects of the service of modern highways. Through three 

 windows the spectator was permitted to view the road in its relation 

 to agriculture, rural social conditions, and city life. 



In connection with the motion-picture section of the office of the 

 Assistant Secretary, the bureau developed three new motion pictures 

 during the year, and there are now available for loan 11 pictures 

 dealing with practically all types of road construction, the building 

 of roads in the national forests, and the experimental road investiga- 

 tions conducted at the Arlington Farm, Arlington, Va. 



A number of department and farmers' bulletins were prepared 

 during the year, several of which are referred to in connection with 

 other sections of this report. One of the most important road pub- 

 lications of the year was Department Bulletin No. 1077, Portland 

 Cement Concrete Roads. 



Numerous special magazine articles, addresses, and lectures by 

 the personnel of the bureau, and hundreds of short articles of an 

 informative character issued through the press service to the news- 

 papers of the country, keep the public infonned of developments 

 from the work of the bureau and add to the general knowledge of 

 highway construction, maintenance, and administration. 



