Kajian Peningkatan Keselamatan Perlintasan Sebidang Kereta Api Grogol Di Kabupaten Tegal Study On Improving The Safety Of The Crossroads Of The Grogol Railway In The Tegal Regency - Budiharjo, Anton (PUSAT PENELITIAN DAN PENGABDIAN MASYARAKAT (P3M), 2019)