TY - BOOK T1 - Freeway lane drops T2 - National Cooperative Highway Research Program; report 175 LA - English PP - Washington PB - Transportation Research Board YR - 1976 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.23697 OP - 72 SN - 0309025400 KW - CAMINOS ER -