Bui. 373, U. S. Dept. of Agriculture. 



Plate X. 



OPRRE 9937 



Fig. 1.— Experimental Road at Chevy Chase, Md. 

 Finished pavement in service. 



OPRRE 6044 



FiQ. 2.— Grout-Filled Brick Pavement, Having Longitudinal Joints in Center 



AND Occasional Transverse Joints Filled with Soft Filler. 



Unsightly appearance at right caused by widening roadway. 



I 



