FIG. 1 is a line drawing of a front elevational view of a bus of the present design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a front/right perspective view thereof;
FIG. 7 is a rear/right perspective view thereof;
FIG. 8 is a rendered drawing of a front elevational view of a bus of the present design;
FIG. 9 is a rear elevational view thereof;
FIG. 10 is a left side elevational view thereof;
FIG. 11 is a right side elevational view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a front/right perspective view thereof; and,
FIG. 14 is a rear/right perspective view thereof.
The bottom view forms no part of the claimed design. The rendered drawings include surface shading that represents contour and not surface ornamentation. The broken line showing of wheels is for the purpose of illustrating environmental structure and forms no part of the claimed design.