The southern end marker. SB McLCH 29 at U.S. Rt. 136. SB McLCH 29 south of I-74. SB McLCH 29 south of U.S. Rt. 150. NB Mc LCH 29 near Ireland Grove Road. NB McLCH 29 south of Towanda. A BGS on NB I-55. A guide marker at I-55. SB McLCH 29 north of Towanda. A guide marker on McLCH 6 at McLCH 29. The northern end in Gridley. The northern end marker.