1. (

• expressway ,
• freeway ,
• motorway ,
• pike ,
• state_highway ,
• superhighway ,
• throughway ,
• thruway

) a broad highway designed for high-speed traffic ;

2. (

• superhighway ,
• information_superhighway

) an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form ;