Rick Hitchcock of the Riverwalk Commission talks with East Highlands resident Chuck Koch about an artist's rendering of a proposed southern expansion of the Riverwalk from Hillside to Martin Avenue during an open house at Highlands Elementary on Tuesday, January 22, 2013. | Jeff Cagle~For Sun-Times Media
Residents pore over an artist's rendering of a proposed southern expansion of the Riverwalk from Hillside to Martin Avenue during an open house at Highlands Elementary on Tuesday, January 22, 2013. | Jeff Cagle~For Sun-Times Media
Residents and Riverwalk commission members listen to a presentation about a proposed southern expansion of the Riverwalk from Hillside to Martin Avenue during an open house at Highlands Elementary on Tuesday, January 22, 2013. | Jeff Cagle~For Sun-Times Media
The Riverwalk is seen as one of the great public treasures in Naperville. On Tuesday night, that public got a chance to voice their opinions on plans to extend the Riverwalk from Hillside Road to Martin Avenue at an open house sponsored by the Naperville …