Indiana State Route 56 is an east-west highway across Northern Pike County. It runs from the Pike/Gibson County Line, near Giro, to the Pike/Dubois County Line, near Otwell. IN St Rt 56 passes through the following town in Pike County. Petersburg
WB IN St Rt 56/SB IN St Rt 57 south of 7th in Petersburg. EB IN St Rt 56/SB IN St Rt 61 at Illinois in Petersburg. EB IN St Rt 56/SB IN St Rt 61 south of Petersburg. WB IN St Rt 56/NB IN St Rt 61 north of I-69. A BGS on NB I-69. A BGS on NB I-69. A set of guide markers at the I-69 interchange.