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Highway 404 is a 400-Series Highway in Southern Ontariomarker, Canadamarker. It runs from the junction of Highway 401 and the Don Valley Parkway in Torontomarker to its northern terminus at Green Lane/Herald Road in Newmarketmarker. The highway mainly serves as a commuter road for those working in Toronto but also for those living in the northern suburbs of the city. As it forms Toronto's only complete north-south freeway besides Highway 427, Highway 404 is among the busiest freeways for its size.

Construction

Originally an extension of the Don Valley Parkway (DVP) and incorporating the routing of Woodbine Avenue, Highway 404 became a provincial highway (and was completed by the Ontario Ministry of Transportation) in 1977.

The interchange with Highway 401 was built in the late 1960s along with the Highway 401 expansion project, and remains a major bottleneck especially for southbound traffic. As a result, people often compare the name of this highway to the 404 errors that occur on the Internet when traffic abruptly halts at a dead-end.

Initially, Highway 404 was completed from Highway 401 to Steeles Avenue with six lanes. At the time, it had features atypical of 1970s provincial urban freeways, notably its grass median with a steel box-beam barrier and its conventional shaded high-pressure sodium lighting system, rather than the more common metal guardrail and mercury truss lights. North of Steeles Avenue, Highway 404 became a four-lane rural freeway.

Upgrades and future extensions

In the late 1990s, Highway 404 underwent a major reconstruction with the earliest projects centering around the new Highway 407 ETR. Subsequently, the grass median and conventional lighting system was replaced with a tall-wall concrete barrier, high-mast lighting, and two additional lanes per direction from Highway 401 to Highway 407. North of Highway 407, Highway 404 was widened to six lanes to Aurora Road, and the lighting system was extended to Major Mackenzie Drive. Ramps serving 404 northbound were added to the existing partial interchange with 16th Avenue in 2002, and in 2003-2004, a new interchange was constructed with Elgin Mills Road.

Running parallel to Highway 400 approximately 15 kilometres (9.5 mi) to the east, the 404 extends 36 kilometres (22 mi) north-south. The MTO plans to further extend the 404 north (and then east) to near the junction of Highways 12 and 48 (Beaverton area), to better serve commuters and to provide an alternate highway link into Ontario's "cottage country". On May 16, 2006 the MTO announced plans to extend the highway 15 kilometres further north from Green Lane to Ravenshoe Rd. at the south end of Keswickmarker. Construction is expected to commence sometime in 2008 with completion slated for 2011/12. This extension was confirmed by the MTO on March 5, 2007.

Highway 404 has 14 interchanges along its length, mostly of the Parclo A4 type. The fact that the exit numbers start at 17 suggest that the Don Valley Parkway was included in distance calculations when signing the exits, although there are no exit numbers posted on the Don Valley Parkway.

High Occupancy Lanes

High occupancy lanes (HOV) similar to those on Highway 403 in Peel Regionmarker have been added to the 404, from Highway 7 at the Beaver Creek crossing to the interchange with Highway 401 and the DVP; further space in the grass median exists for their extension. The HOV lanes are the leftmost lanes of the freeway, with a buffer strip (not a concrete barrier or guardrail) to separate them from the regular lanes.

The first HOV Lane projects commenced in the late 1990s and involved the construction of the Highway 407 interchange and the widening of the Highway 7 junction to incorporate the HOV lanes, although the extra pavement was blocked off and remained unused for over five years.

The next stage of HOV construction was the widening the freeway from Highway 401 to just north of Steeles Avenue using the median, in 1999-2001, along with improved ramps from Highway 401 eastbound to Highway 404 northbound. The new left lanes served general purpose traffic for the interim, while the freeway from Sheppard Avenue to Steeles Avenue was widened using the right shoulder to provide additional lanes for general purpose traffic. Once this was completed, the leftmost lanes were converted to HOV lanes.

Construction of the southbound HOV lane began in early 2004 and was completed in December 2005. This project included a curved underpass tunnel to the Highway 401 westbound, and collector lanes were added to reduce the weaving from incoming Sheppard Avenue traffic and outgoing traffic to Highway 401. South of the Sheppard Avenue overpasses, the HOV lane becomes two lanes, with the leftmost lane leading to 401 westbound collector lanes via a curved tunnel, while the right HOV lane traffic merges with Don Valley Parkway southbound traffic.

Work on the northbound HOV lane began shortly afterwards and was completed in July 2007, extending from north of Sheppard Avenue to Highway 7. At 8:30 AM EST on Monday, July 23, 2007, the northbound HOV lane opened to the public.

The Highway 7 overpasses currently have an additional lane which is currently blocked off but will allow for northward expansion of the HOV lanes.


Volume information (2005)

Highway 404 is Ontario's third busiest freeway after Highway 401 and Highway 427.
  • Highest Volume: 250,800 AADT from Highway 401 / Don Valley Parkway (Exit 17) to Sheppard Avenue (Exit 18)
  • Lowest Volume: 32,200 AADT from Vivian Road/Mulock Road (Exit 49) to Davis Drive (Exit 51)


Lane configurations from south to north

Section Travel lanes
Highway 401 & Don Valley Parkway to Sheppard Avenue 4 Lanes Southbound (2 Express Lanes/2 Core Lanes), 2 HOV Lanes Southbound, 5 Lanes Northbound
Sheppard Avenue to Van Horne Avenue 4 Lanes Southbound, 5 Lanes Northbound, 1 continuous auxiliary exit/entry lane per direction, 1 HOV Lane southbound
Van Horne Avenue to Highway 407 4 Lanes per direction, 1 HOV Lane per Direction
Highway 407 to Highway 7 4 Lanes per direction, 1 HOV lane per Direction (Northbound HOV lane ends at Highway 7)
Highway 7 to Beaver Creek 4 Lanes per Direction (1 continuous auxiliary on/off lane southbound), 1 HOV lane Southbound (Southbound HOV Lane begins at Beaver Creek)
1 HOV lane Northbound currently under planning
Beaver Creek to 16th Avenue (York Road 73) 4 Lanes per Direction (1 continuous auxiliary on/off lane southbound)
1 HOV lane per direction currently under planning
16th Avenue (York Road 73) to Aurora Road (York Road 15) 3 Lanes per Direction
1 HOV lane per direction currently under planning
Aurora Road to Green Lane (York Road 19) 2 Lanes per Direction
1 HOV lane per direction currently under planning


Interchanges from south to north

Municipality Exit number Intersecting roads Full Interchange or Partial Interchange
Torontomarker 17 Highway 401 and Don Valley Parkway Full Interchange
Toronto 18 Sheppard Avenuemarker Full Interchange
Toronto 20 Finch Avenue Full Interchange
Toronto – Markhammarker Boundary 22 (Northbound) Steeles Avenue / Woodbine Avenue /(Southbound) Steeles Avenue Woodbine/Steeles Southbound Partial Interchange/Steeles Full Interchange
Markham 25 Highway 407 Full interchange
Markham – Richmond Hillmarker Boundary 27 Highway 7 , ( Formerly Highway 7) Full Interchange
Markham – Richmond Hill Boundary 29 16th Avenue Full Interchange
Markham – Richmond Hill Boundary 31 Major Mackenzie Road Full Interchange
Markham – Richmond Hill Boundary 33 Elgin Mills Road marker Full Interchange
Richmond Hill – Whitchurch-Stouffvillemarker Boundary 37 Stouffville Road (York Road 14) Full Interchange
Richmond Hill – Whitchurch-Stouffville – Aurora Boundary 41 Bloomington Road Full Interchange
Whitchurch-Stouffville – Auroramarker Boundary 45 Aurora Road (York Road 15) Full Interchange
Whitchurch-Stouffville – Newmarketmarker Boundary 49 Vivian Road / Mulock Road (York Road 74) Southbound Partial Interchange
Whitchurch-Stouffville – Newmarket – East Gwillimburymarker Boundary 51 Davis Drive (York Road 31) Full Interchange
East Gwillimbury 53 Green Lane (York Road 19) Southbound Partial Interchange


Status of construction activity

  • Currently under construction:
:Highway 404 North Extension - Mount Albert Road, Underpass, York Region
:New bridge, target start: 2008, target completion: 2008
  • Engineering and property acquisition phase
  • Future expansion, no current activity
  • Route planning and environmental assessment


Planned interchanges from south to north (exit numbers assumed)

Municipality Exit number Intersecting roads
East Gwillimburymarker 59 Queensville Sideroad (York Road 77)
East Gwillimbury 60 Bradford Bypass (proposed freeway)
East Gwillimbury 65 Woodbine Avenue (York Road 8) / Ravenshoe Road (York Road 32)
Georginamarker 70 Pollock Road
Georgina 79 Highway 48 South
Georgina 91 Pefferlaw Road (York Road 21)
Georgina – Brock Boundary 93 Lake Ridge Road (York Road 23 / Durham Road 23)


External links



References




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