Show brive ive on right side of highway exceptions upon all roadways of sufficient width vehicle shall be driven upon the right halt it ot of the roadway except as follows 2 when overtaking and passing another vehicle proceeding in the same echon ec Uon under the rules governing uch ch movement b when the right halt balf of the roadway Is closed to traffic while under collat ruction or repair cupon a roadway divided into three aricco aric cd lanes lana tw for traffic under the rules rulef thereon or d n vyrl a roadway designed and add sign mst tor for one way traffic |