G+: Grr, waiting for CN to sign off on this bike path project! "A key connection that would complete a largely off-road bike trail from the Northwest suburbs to Elgin is being held up because the Canadian National has not signed off on using part of its right of way, Hoffman Estates officials say. The connection, 2.4 miles long and crossing under the Jane Addams Memorial Tollway in western Hoffman Estates, has been envisioned for more than 20 years." Hoffman Estates waits for CN to sign off on bike trail A key connection that would complete a largely off-road bike…