||G.T.Ry. ordered to install electric bell at crossing south of Concord stationB.R.C. Order No. 9976.
||C.N.Rys. tenders for construction of subway at Newmarket Subdivision crossing of Highway No. 7The Globe, (Toronto), Saturday, May 17, 1930, p. 25, c. 8.
||C.N.Rys. gang begins work on Highway No. 7 subwayThe Northern Advance, (Barrie), Thursday, June 5, 1930, p. 8, c. 2.
||C.N.Ry. plans for subway at Newmarket Subdivision crossing of Highway No. 7 approvedB.R.C. Order No. 44811.
||C.N.Rys. awards construction of Highway No. 7 at Concord to Johnson Bros., Canadian Railway and Marine World, (Toronto), July 1930, p. 445, c. 2.