Adjustments to a number of Maryland Metrobus routes were implemented Sunday. The changes are:

Route C2--A new C2 trip leaves Montgomery Mall at 6:05 a.m. The 8:35 a.m. C2/ trip has been extended to Beltway Plaza. A new C2 trip leaves Langley Park at 3:43 p.m. and the 7 p.m. C2/ leaving Beltway Plaza has been extended to Kensington.

Routes J1, 2, 4, 6--Service has been added in the peak period. Evening and Saturday service have been reduced. Passengers should check the new timetables for exact schedule.

Route K6--Evening peak service has been reduced. Passengers should check the new timetable for exact schedule.

Routes L3, 6, 8, 9--Morning peak period counter-flow service has been reduced and evening departure and arrival times have been changed slightly. Passengers should check the new timetables for exact schedule.

Route N4--Counter-flow service in the morning and evening peak periods has been reduced. Passengers should check the new timetable for exact schedule.

Route P12--Arrival and departure times have been changed. Passengers should check the new timetable for exact schedule.

Route Q2--Outbound morning service has been added. Passengers should check the new timetable for exact schedule.

Route T1--Change in routing. Southbound T1 trips operate over their current route to the intersection of Bradley Boulevard and Leland Street, then continue on Bradley Boulevard, turn right on Wisconsin Avenue and continue via the previous route. Northbound trips operate over regular route to the intersection of Wisconsin Avenue and Bradley Boulevard, then turn left on Bradley Boulevard and continue via the previous route. In addition, the 6 a.m. trip from Friendship Heights and the 7:30 p.m. and 8 p.m. trips from Congressional Country Club have been eliminated.

Route T2--Outbound morning service has been increased on weekdays and existing trip departure times have been adjusted. The last inbound trip has been eliminated on weekdays, Saturday and Sunday. Passengers should check the new timetables for exact schedule.

Routes T4, 6--Selected early morning and late evening counter-flow trips on weekdays, Saturday and Sunday have been eliminated. Passengers should check the new timetables for exact schedule.

Routes Y5, 6, 7, 8--Selected morning and evening peak period trips have been eliminated and adjustments have been made to departure times of remaining service. Passengers should check the new timetables for exact schedule.

Route Z2--The 5:50 a.m. trip from Silver Spring and the 8 p.m. trip from Olney have been eliminated.

Routes Z3, 4--The 10:35 p.m. and the 11:23 p.m. trips from old Columbia Pike and Tech Road on weekdays have been eliminated. The 10:25 p.m. and the 10:55 p.m. trips from Silver Spring have been changed to Z3/ trips operating via Old Columbia Pike to Randolph Road.