Partnering for successA joint venture to widen Interstate 75 in southwest Florida posed a host of design and permitting challenges to Anderson Columbia Company, but itÔÇÖs on track to be completed ahead of schedule, thanks to a strong partnership approach, Keith Regan reports. Transportations officials in Florida have long recognized the need to increase the capacity of Interstate 75 to carry traffic through Collier and Lee counties in the fast-growing southwestern part of the state.