Harmonisasi rambu dan marka dengan geometrik jalan pada jalan luar kota = Harmonization of traffic sign and marking with geometrik design in inter city road

Kajian karakteristik lalu lintas di jalan tol serta korelasi dengan pola kecelakaan = Study of characteristics traffic on toll road and correlation with accident

Analysis of the Relationship between Speed Consistency and Traffic Accident Probability (on the Mojokerto-Surabaya Toll Road) = Analisis Hubungan Konsistensi Kecepatan dengan Peluang Kecelakaan Lalu Lintas (Studi Kasus : Jalan Tol Mojokerto-Surabaya)

Efektivitas Pelican Crossing Terhadap Arus Lalu Lintas (Studi Kasus: Jalan M.H. Thamrin Dan Jalan Sudirman, Kota Jakarta Pusat) = Effectiveness Of Pelican Crossing On Traffic Flow (Case Study: M.H. Thamrin Road And Sudirman Road, Central Jakarta City)

Pengaruh kondisi permukaan dan penerangan jalan terhadap kecelakaan lalu lintas = The effects of road surface condition and road lighting on road casualties