northern terminus of the road until 1982. North of Transit Road, Allen Road is an arterial road with four or six lanes. It features a concrete barrier between the opposing lanes north to a signalized intersection with Sheppard Avenue West. The speed limit along Allen Road through this section is . It continues north, with signalized intersections at Rimrock and Kennard Avenue. The road becomes Dufferin Street north of Kennard Avenue. Cameras Road Emergency Services Communications Unit (RESCU) cameras are found on the roadway in nine locations: History The Spadina Expressway Allen Road exists as a short stub of the Spadina Expressway, one of several intraurban freeways proposed in the 1950s to crisscross Toronto. The Spadina Expressway was intended to travel from north of Highway 401 into the downtown of Toronto, via the Cedarvale and Nordheimer Ravines and Spadina Road. Various versions of the proposal showed it starting to the north of North York at today's highway 407, between Bathurst and Dufferin Streets. It then travelled south to meet highway 401 a half-mile east of Dufferin. It was cancelled due to public opposition, although not before the northern section was started and the expropriation of a number of homes. The interchange at Highway401 evolved to a complex three-level turbine design featuring 26 bridges, the most-complex in Canada at the time. At the same time, Highway401 was being widened from four lanes into the modern 12-lane highway. From Highway401 south to Eglinton, the roadway was to be in a trench, with the rapid-transit line in the middle. South of Eglinton, it continued into the Cedarvale Park below ground level. Plans were initially for the road to be on the surface of the ravines and the subway below the surface as far as Spadina Road, with a tunnel under St. Michael's College north of St. Clair. Another plan projected the roadway to be completely underground through this stretch, on top of the subway line. From Spadina Road south of St. Clair, the roadway would be underground to its end at Davenport Road. Various proposals for the Spadina south of Bloor Street were made. The 1969 functional design proposed an express route in the centre of Spadina Avenue, and parallel two-lane service roads on either side to provide access to properties. Other proposals included no highway south of Sussex Street, near Harbord Street. 1943–1961: Planning for the route By the 1940s, urban development