System with four roadways/carriageways, where access ways primarily connect with the outer roadways. Through traffic on the inner carriageways can flow without interruption.

The local–express lane system is an arrangement of carriageways within a major highway where long distance traffic can use inner express lanes with fewer interchanges compared to local traffic which use outer local lanes that have access to all interchanges. This can also be called a collector/distributor lane system within a single interchange. One of the longest examples is Highway 401 in Toronto, where highway ramps between express and local lanes cross over one another; these are commonly known as braided ramps.[1][2][3][4][5][6]

Some places may have only three carriageways on the highway instead of four, utilizing one directional express lanes. They may be permanent, or they can be reversible express lanes such as in Seattle where they alternate direction.

While a local–express system and a collector/distributor system are used interchangeably, some transportation departments make a distinction between the two. In a local–express system, the inner lanes are called express lanes whereas the outer lanes are called local lanes. In a collector/distributor system, the inner lanes are called mainlines while the outer lanes are called collector/distributor lanes. Generally speaking, a local–express system will have the extra outer lanes present for a long duration of the highway, as opposed to a collector/distributor system where the extra outer lanes are only present at an interchange.

Examples

The following examples include both local–express and collector/distributor lane systems.

Canada

ProvinceHighwayCity/RegionLocationLengthNotes
Alberta Hwy 2Edmonton170 St – 178 St1.2 km (0.75 mi)Whitemud Drive
Alberta Hwy 63Fort McMurrayMacDonald Drive – Confederation Way5 km (3.1 mi)northbound only
Alberta Hwy 201CalgaryScenic Acres Link – Nose Hill Drive2.5 km (1.6 mi)Stoney Trail
Alberta Hwy 1ACalgaryNorthland Drive – Shaganappi Trail (NB), Shaganappi Trail – Brisebois Dr (SB)2 km (1.2 mi)Crowchild Trail
Alberta Hwy 1ACalgaryDalham Crescent (LRT) – 53 St1 km (0.62 mi)Crowchild Trail
British Columbia Hwy 1Coquitlam and SurreyCape Horn Interchange – 152nd Street5.4 km (3.4 mi)Connects to the Port Mann Bridge. Express carriageways contain an HOV lane each.
British Columbia Hwy 99DeltaHighway 99 between Hwy 17 – Hwy 17A2.70 km (1.68 mi)Westbound traffic only, ends near the start of reversible lane gates for Massey Tunnel. Local lanes include an HOV lane. Access to reversible lane for Westbound traffic only from express lanes.
Nova Scotia Hwy 118DartmouthExit 122.2 km (1.4 mi)southbound only
Ontario Highway 400York RegionHighway 7 interchange – south of Langstaff Road[7]3.0 km (1.9 mi)signed as exits to Highway 7 and Langstaff Road rather than collector–express
Ontario Highway 401Toronto and Durham Regioneast of Kipling Avenue (Highway 409 interchange) – Brock Road, Pickering[8]44 km (27 mi)Primary system first completed from Islington to Markham Road in 1972, Brock Road in 1997.
Longest local-express system in Canada.
Ontario Highway 401Peel RegionWinston Churchill Boulevard – Highway 427[9]9.6 km (6.0 mi)originally ended at Highway 403 in 1980s, extended to just east of Kennedy Road in early 1990s, extended further westward to Hurontario Street in late-2000s, construction presently underway to complete it just west of Mississauga Road by early 2020s
Ontario Highway 401 Halton Region James Snow Parkway - Highway 407[10] 4.6 km

(2.9 mi)

Built as a separate stretch due to the 407 overpass being not wide enough for a continuous collector-express system underneath
Ontario Highway 403Peel RegionHighway 401 / Highway 410 interchange – Cawthra Road3.4 km (2.1 mi)Completed 1994
Ontario Highway 404TorontoHighway 401 – just north of Sheppard Avenue East1.8 km (1.1 mi)401 eastbound to 404 northbound ramp express lane (no access to Sheppard Avenue offramp) completed 2001, southbound collector lanes completed 2005
Ontario Highway 410Peel RegionHighway 401 / Highway 403 interchange – Courtneypark Drive1.8 km (1.1 mi)northbound only, access to the express from the 403 only

southbound collector lanes between 407 and Courtneypark Drive are under construction[11]

Ontario Highway 427TorontoQueen Elizabeth Way / Gardiner ExpresswayHighway 4016.8 km (4.2 mi)
OntarioConestoga ParkwayKitchenerLancaster Street – Krug Street2.3 km (1.4 mi)
Ontario Gardiner Expressway (formerly QEW)TorontoWickman Road (west of Kipling Avenue) – Royal York Road2.7 km (1.7 mi)
Quebec A-13LavalThroughout the city of Laval8.6 km (5.3 mi)
Quebec A-40RepentignyLarochelle Boulevard – Industrial Boulevard4.3 km (2.7 mi)Exit 98 and Exit 100, with a single transfer in between
Quebec A-40Repentigny R-341 R-3434.2 km (2.6 mi)eastbound only
Quebec A-40West IslandSte Marie Road- A-52018.4 km (11.4 mi)
Quebec A-440Laval A-13 - East of Industrial Boulevard8.1 km (5.0 mi)

United States

StateHighwayCity/RegionLocationLengthNotes
California I-5 (Santa Ana Freeway)Santa AnaOrange Crush Interchange (SR 22 / SR 57) – Main Street1.1 miles (1.8 km)southbound only
California I-5 (Santa Ana/San Diego Freeway)IrvineLake Forest Drive – Irvine Center Drive2.2 miles (3.5 km)El Toro Y (Junction I-405)
California I-5 (San Diego Freeway)Sorrento Valley, San DiegoI-805SR 562.5 miles (4.0 km)signed local–express lane system
California I-10 (Santa Monica Freeway)Los AngelesI-110 / SR 110 – Arlington Avenue2.4 miles (3.9 km)
California I-805 (Jacob Dekema Freeway)Chula VistaH Street – E Street / Bonita Road0.9 miles (1.4 km)northbound only
California US 101 (Bayshore Freeway)San Mateo Countynear San Francisco International Airport1.7 miles (2.7 km)
California SR 87 (Guadalupe Parkway)I-280 – Julian Street along Downtown San Jose1.2 miles (1.9 km)northbound
California SR 87 (Guadalupe Parkway)I-280 – Alma Avenue0.7 miles (1.1 km)southbound
California SR 125El CajonNavajo Road – Grossmont College Drive0.6 miles (0.97 km)collector-distributor system
California SR 180FresnoSR 41 / SR 168 interchanges1.1 miles (1.8 km)This interchange is unusual because it also allows traffic to flow directly between SR 41 and SR 168 bypassing SR 180, making it in effect a double braided ramp. www.dot.ca.gov Google Maps
Florida I-295 Jacksonville Between Collins Road and Roosevelt Boulevard/US-17 3.4 miles (5.47 km)
Georgia I-85Gwinnett CountyExit 104 – Exit 1095.4 miles (8.7 km)collector distributor system
Georgia I-85 / I-285 Fulton County Between Georgia State Route 14 and split of I-85 and I-285. 1.0 mile (1.6 km) Dual express carriageways and CD road for local exits
Illinois I-90 / I-94 (Kennedy Expressway)ChicagoOhio StreetEdens Expressway7.0 miles (11.3 km)reversible express lane
Illinois I-90 / I-94 (Dan Ryan Expressway)Chicago71st Street – I-555.5 miles (8.9 km)signed local–express lane system; no trucks are allowed in the express lanes
Illinois IL 53Rolling MeadowsI-290 – Kirchhoff Road2.1 miles (3.4 km)local–express format
Iowa I-29 / I-80Council BluffsI-80 Exit 1 to Exit 43.12 miles (5.02 km)signed local–express lane system; dual-divided freeway format
Kansas K-10LenexaK-10 Exit to Interstate 435 East, Lackman Road & Interstate 35 2.18 miles (3.51 km)Dual-divided freeway format
Maryland I-95 (Express toll lanes)Baltimore CountyWhite MarshBaltimore7.6 miles (12.2 km)signed local–express lane system
Maryland I-270 (northbound)Montgomery CountyMontrose Road – Montgomery Village Avenue8.3 miles (13.4 km)signed local–express lane system
Maryland I-270 (southbound)Montgomery CountyMontrose Road – I-3705.6 miles (9.0 km)signed local–express lane system
Michigan I-96DetroitOuter Drive – Davison Avenue5.8 miles (9.3 km)signed local–express lane system
Mississippi I-55HernandoI-69 / I-269 1.08 miles (1.74 km)
Nebraska US 6 (West Dodge Road/West Dodge Expressway)Omaha93rd Street – 120th Street1.5 miles (2.4 km)Elevated West Dodge Freeway bypasses 114th and 120th Street intersections; West Dodge Road is technically a frontage road due to multiple at-grade intersections
New Jersey I-78I-95 / N.J. TurnpikeRoute 2410.2 miles (16.4 km)signed local–express lane system
New Jersey I-80I-95 / G.S. ParkwayI-280 / I-2876.2 miles (10.0 km)signed local–express lane system
New Jersey I-95 / N.J. TurnpikeRidgefield Parkbetween Overpeck Creek and US 46George Washington Bridge.5.1 miles (8.2 km)signed local–express lane system
New Jersey I-287I-78US 202 / US 2063.0 miles (4.8 km)
New Jersey US 1/9Route 81US 1/9 Truck5.9 miles (9.5 km)signed local–express lane system
New Jersey Route 3N.J. Turnpike western spur – Route 4951.2 miles (1.9 km)
New Jersey G.S. ParkwayMiddlesex & Monmouth countiesRaritan tolls – Asbury Park tolls21.8 miles (35.1 km)signed local–express lane system
New York I-495ElmhurstExit 191.4 miles (2.3 km)
New YorkCross County ParkwayYonkers-Mount VernonCross County Parkway (Exits 4S / 4N - Exit 8)2.10 miles (3.38 km)signed local–express lane system
New YorkWestchester AvenueHarrisonI-287 (Exits 9S / 9N)2.8 miles (4.5 km)
Ohio I-270ColumbusSR 161 – McCutcheon Road (just north of I-670)3.3 miles (5.3 km)
Ohio I-271Greater ClevelandI-480 (North Randall) – I-90 (Willoughby Hills)13.9 miles (22.4 km)signed local–express lane system
Ohio I-480Greater ClevelandI-77 (Independence) – Transportation Boulevard / East 98th Street (Garfield Heights)0.8 miles (1.3 km)signed local–express lane system
Pennsylvania I-79Cranberry TownshipPA 2282 miles (3.2 km)southbound only
Pennsylvania US 1 (Roosevelt Boulevard)Northeast Philadelphia11.9 miles (19.2 km)surface roadway with express and local lanes
Texas I-10 (McDermott Freeway)San AntonioExit 567 – Exit 5702.0 miles (3.2 km)
Texas I-10 / I-35 (PanAm Expressway)San AntonioExit 155A (Spur 536) –Exit 154A (Loop 353)0.7 miles (1.1 km)
Texas I-35 (PanAm Expressway)San AntonioExit 156 (I-10) – Exit 158 (I-37)1.8 miles (2.9 km)
Texas I-635 (Express toll lanes)northern DallasExit 19 – Exit 27C (I-35E)9.9 miles (15.9 km)
Virginia VA-267 (Dulles Toll Road) Washington metropolitan area I-495 (Exit 18) 14.0 miles (22.5 km)[12]
Washington D.C./Virginia/Maryland I-495 (Capital Beltway)Washington metropolitan areaTelegraph Road (Alexandria, Virginia) – MD 210 (Oxon Hill, Maryland)6.6 miles (10.6 km)signed local–express lane system
Washington I-5SeattleYesler Way – NE Northgate Way7.3 miles (11.7 km)reversible express lanes
Washington I-5SeattleHolgate Street – 8th Avenue tunnel1.7 miles (2.7 km)
Wisconsin I-41 / I-94MilwaukeeCollege Avenue – I-41 / I-432.5 miles (4.0 km)Local lanes provide access to Milwaukee Mitchell International Airport's Airport Spur and other local exits

Other countries

CountryHighwayCityLocationLengthNotes
Argentina National Route 9 (North Access freeway)Buenos AiresVicente LópezSan Isidro
Australia Warringah FreewaySydneyMiller Street – Bradfield Highway
Australia West Gate FreewayMelbourneState Route M2 (CityLink) – Burnley Tunnel
Australia Kwinana FreewayPerthState Route 14 (Beeliar Drive) – Berrigan Drive2.2 km (1.4 mi)2.2 km (1.4 mi)
BrazilRod. Pres Dutra RJ/BR-116Nova Iguaçu, Rio de JaneiroSaída 178B - Km 165 13.0 km (8.1 mi)
BrazilRod. Pres Dutra SP/BR-116São Paulo, GuarulhosKm 231 - Saída 211 20.0 km (12.4 mi)
BrazilRod. Pres Dutra SP/BR-116São José dos CamposKm 151 - Km 147 (RJ)

Km 153 - 148 (SP)

3.5 km (2.2 mi)

5.0 km (3.1 mi)

BrazilAvenida das AméricasRio de Janeiro
EgyptSuez RdEl Shorouk, Cairo Governorate and Attaka, Suez GovernorateShuhada Rd, El Shorouk to the entrance of the City of Attaka86 km (53 mi)
England A38 (Devon Expressway)Plymouth
England M5Bristol
England M20Maidstone
England M55Preston, Lancashire
England M60ManchesterSaleCarrington2.4 km (1.5 mi)
France A 6south of Paris
France A 9Montpellier23.9 km (14.9 mi)The local expressway is known as A709
Hong KongPrince Edward Road WestHong KongLung Kong Road – Choi Hung Roadelevated and lower roadway
Hong KongWest Kowloon Highway / Lin Cheung RoadHong Kong
IndonesiaAirport Toll RoadJakartaPluitPenjaringan
MalaysiaNorth–South Expressway Northern RouteJelapang – Ipoh South
MexicoAvenida Constitución / Morones PrietoMonterrey
MexicoVia Rápida Poniente y OrienteTijuana
Netherlands A 2 / N 2around Maastricht, Eindhoven, 's-Hertogenbosch, and Utrecht
Netherlands A 4around Leiden
Netherlands A 4The Hague and near Schipholbasketweave braid between two adjacent interchanges
Netherlands A 12Utrecht
Netherlands A 15Rotterdam
Netherlands A 16Rotterdam
PakistanLahore Ring RoadLahore85.0 km (52.8 mi)
Poland S 2Warsaw4.7 Km

(2.92 mi)

map
RussiaLeningradsky AvenueMoscow
Scotland M8Glasgow
Serbia A1Novi SadNovi Sad North – Novi Sad South8.0 km (5.0 mi) serves three interchanges in Novi Sad
Slovakia D1 / EinsteinovaBratislavaPetržalka
South Africa N1Cape TownKoeberg Road – N7outbound
Spain AP-7near Barcelona
Spain M-30Madrid
Taiwan Nat 1TaipeiNew Taipei City and Taipei32.9 km

(20.4 mi)

Xizhi–Wugu Elevated Road
Taiwan Nat 1New Taipei City - Taoyuan71 km (44 mi)Wugu–Yangmei Elevated Road
Turkey D.100Gebze, Kocaeli
Turkey D.100IstanbulBeylikdüzü – Cevizlibağ28.3 km (17.6 mi)on the European side
Turkey D.100IstanbulÜnalan – Bostancı9.6 km (6.0 mi)on the Asian side
Turkey D.100IstanbulKartalPendik9.9 km (6.2 mi)on the Asian side
Turkey D.300İzmirHalkapınarKemalpaşa9.1 km (5.7 mi)
Turkey D.300Malatyathrough the city center11 km (6.8 mi)
TurkeyKennedy AvenueIstanbulYenikapıBakırköy3.5 km (2.2 mi)express lanes for the Eurasia Tunnel
Vietnam Đại Lộ Thăng LongHanoiLáng – Hoà Lạc29,3 km

Example of cloverleaf interchanges

A cloverleaf interchange may have collector/distributor lane system on a freeway or expressway to handle entering and exiting traffic. Usually, this lane will begin as an entrance-only ramp initially, but it will sometimes become a main lane or possibly an exit-only lane. The purpose of this lane is to facilitate traffic to the freeway exits and from the freeway entrances.

See also

References

  1. VDOT: Braided Ramp Demo Archived 2017-04-10 at the Wayback Machine. YouTube (2009-02-26). Retrieved on 2013-07-16.
  2. I-5 196th Braided Ramp animation Archived 2017-04-10 at the Wayback Machine. YouTube (2010-12-02). Retrieved on 2013-07-16.
  3. WSDOT - Project - I-405 – NE 8th St to SR 520 Braided Ramps – Interchange Improvements - Complete May 2012 Archived 2010-07-10 at the Wayback Machine. Wsdot.wa.gov. Retrieved on 2013-07-16.
  4. "Archived copy" (PDF). Archived (PDF) from the original on 2012-02-21. Retrieved 2012-12-11.{{cite web}}: CS1 maint: archived copy as title (link)
  5. TxDOT IH-10 Section 3 Archived 2014-12-01 at the Wayback Machine. PGAL. Retrieved on 2013-07-16.
  6. State Route 180 Braided Ramps Project Archived 2011-12-20 at the Wayback Machine. Dot.ca.gov. Retrieved on 2013-07-16.
  7. Tele Atlas. "Driving directions to Unknown road". Google Maps. Mountain View, U.S. Archived from the original on 2024-01-06. Retrieved 2009-04-30.
  8. Tele Atlas. "Driving directions to King's Hwy 401/MacDonald-Cartier Fwy/Hwy of Heroes". Google Maps. Mountain View, U.S. Archived from the original on 2024-01-06. Retrieved 2009-04-28.
  9. Tele Atlas. "Driving directions to King's Hwy 401/MacDonald-Cartier Fwy". Google Maps. Mountain View, U.S. Archived from the original on 2024-01-06. Retrieved 2009-04-28.
  10. "Highway 401 Expansion Project". Infrastructure Ontario. Archived from the original on 2023-04-15. Retrieved 2023-04-15.
  11. "HIGHWAY 410 COLLECTOR LANES, BRAMPTON – Bot Construction Group". www.botconstruction.ca. Archived from the original on 2021-09-20. Retrieved 2021-09-20.
  12. "FHWA - Center for Innovative Finance Support - Project Profiles". www.fhwa.dot.gov. Archived from the original on 2023-05-15. Retrieved 2023-05-15.
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