The following projects are listed in order of priority:

Phase II of the Ioway trail from Coralville to Amana.
http://www.iowaytrail.org/

Iowa City to Cedar Rapids Trail
http://jccog.org/documents/trailsmapltr.pdf

Dubuque St to North Liberty and North Liberty to Mehaffey bridge

Hoover trail portion of the National Discovery Trail
http://www.inhf.org/iowatrails/hoover-intro.htm