John Nolen is a well-traveled route, by car and bike. On average 43,700 cars use the causeway daily and about 4,500 bikes use the path, according to deputy city engineer Chris Petykowski. Isthmus sat down with Petykowski to get some answers on things we all might want to know during the construction on one of Madison’s busiest arteries.
Davidoff: When is groundbreaking?
Petykowski: Oct. 13…