$SECTION block US_BOSTON

Source:
Type:	GROUP
Command line	NAME=US_BOSTON; TX=Boston; LC=1; ENV=[BG#=@@] &IF(BGTYPE>=1,(&IF(BGTYPE>=3,STBGUS),[WT=ENV_WAYT1][WM=ENV_WAYM]));

		Seq	Source	Timetable line
		1		TX=Boston Orange line 1200; C=3*(<BOST_01200L,BOST_01200);
		2		TX=Boston PCC; C=BOST_3(00|02|22)2;