Highway 91 is an alternative freeway route to Highway 99 through Delta, New Westminster and Richmond, British Columbia. The highway was built in two sections, the first section from Delta to East Richmond in 1986, and the second section across Richmond in 1989.

Quick Facts Highway 91, Route information ...

Highway 91
Annacis Highway Richmond Freeway East-West Connector
Highway 91 highlighted in red
Route information
Maintained by British Columbia Ministry of Transportation and Infrastructure
Length	23 km[1] (14 mi)
Existed	1986–present
Major junctions
South end	Hwy 99 in Delta
Major intersections	Hwy 10 in Delta Hwy 17 in Delta (via Hwy 91C) Hwy 91A in Richmond Knight Street in Richmond
West end	Hwy 99/Alderbridge Way in Richmond
Location
Country	Canada
Province	British Columbia
Major cities	Richmond, Delta
Highway system
British Columbia provincial highways
← Hwy 77 → Hwy 91A

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It was the highest numbered highway in British Columbia that is not derived from a continuation of a US highway, until the designation of Highway 118 in 2003.

The total distance covered by Highway 91 is 22 km (14 mi). Starting at its junction with Highway 99 in East Delta, the route travels north for 2 km (1¼ mi) to a junction with Highway 10, then north for 10 km (6 mi) through three interchanges, over the Alex Fraser Bridge onto Annacis Island, and through another interchange. Highway 91 then crosses the Annacis Channel bridge, ever so briefly passing through the very corner of New Westminster, and then enters Richmond, at which point it veers west. At the southern entrance to Highway 91, the road was formerly signed as Annacis Highway, however, that name is not commonly used.

In Richmond, where Highway 91 is officially termed the Richmond Freeway but also as the East-West Connector, the route travels west for 10 more km (6 mi), through a junction with Highway 91A and two more interchanges, until it terminates just past its Richmond junction with Highway 99 at Shell Road.^[2]

From south to north. The entire route is in Metro Vancouver.

More information Location, km ...

Location	km[1]	mi	Exit[16]	Destinations	Notes
Delta	0.00	0.00	—	Hwy 99 – USA border, Seattle, Vancouver	Hwy 91 southern terminus; Hwy 99 exit 16
	2.02	1.26	1	Hwy 10 east / Ladner Trunk Road west – Surrey, Langley	No access from northbound Hwy 91 to westbound Ladner Trunk Road
	4.90	3.04	4	64th Avenue
	6.53	4.06	6	72nd Avenue
	7.93	4.93	8	Hwy 91C to Hwy 17 / Hwy 1 (TCH) / Nordel Way (east) – Ferries, Victoria, Nanaimo	Access to Hwy 17 via Hwy 91 Connector; Hwy 17 exit 23B
	8.32– 10.85	5.17– 6.74	Alex Fraser Bridge over the South Arm Fraser River
	11.04	6.86	10	Annacis Island (Cliveden Avenue)	Southbound exit is via exit 11
Richmond	11.82	7.34	11	Hwy 91A north – New Westminster	Directional signage changes from north-south to east-west
	13.31	8.27	13	Westminster Highway
	16.33	10.15	15	Nelson Road	Eastbound exit and Westbound entrance
	20.82	12.94	21	No. 6 Road	Westbound exit and Eastbound entrance
	21.22	13.19	22	Knight Street – Vancouver	Access to Knight Street Northbound only
	22.91	14.24	23	Hwy 99 – Ferries, Victoria, Nanaimo, Airport, Vancouver	Victoria and Nanaimo are via BC Ferries; Hwy 99 exit 37
			—	Alderbridge Way (west) – Richmond City Centre	Hwy 91 Northern terminus; continuation West. At grade intersection.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access       Route transition

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Quick Facts Length:, West end: ...

Highway 91 Connector Highway 91C Pseudo Route 914:3142 (E/B) Pseudo Route 914:3143 (W/B)
Length:	2.2 km (1.4 mi)
West end:	Highway 17 Trumpet Interchange
Major junctions:	Hwy 17 Hwy 91
East end:	Nordel Way at BNSF overpass

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Highway 91 Connector (Highway 91C) is a short 2.2 km (1.4 mi) unsigned highway connecting Highway 91 at Nordel Way and Highway 17 in Delta.^[17] It formerly started at the BNSF Railway level crossing on 96 Street. Today, the route starts at a trumpet interchange with Highway 17, crosses over Highway 91 via twin overpasses, and ends at the BNSF overpass on Nordel Way.

From its opening, the route faced heavy congestion due to the presence of a truck scale and at-grade intersections. The Highway 17 and Highway 91C intersection saw several truck rollover accidents since its opening in 2013 and engineer's report revealed that trucks are susceptible to rollover when exceeding 26 km/h (16 mph) while turning from Highway 17 to Highway 91C.^[18] The report recommended installation of truck rollover warning sign and an advisory speed limit of 20 km/h (12 mph) with the ultimate long-term solution to be an upgrade to grade-separated interchange.^[18]

In 2017, the Province announced Highway 91C will be upgraded to a freeway standard as a part of $254 million project.^[19] However, the project was partially downscaled and two at-grade intersections remain in the Highway 91/91C interchange. Traffic from southbound Highway 91 and westbound Nordel Way flows freely, while signals remain for traffic movements on the new southern overpass.

The grade separation work on Highway 91C started in 2020 and free-flow interchanges were constructed at Highway 17 and Nordel Way (west) with improved partially at-grade connections for Highway 91 ramps.^[20] The project reached substantial completion by the end of November 2022^[21] with remaining works extended up until May 31, 2023.^[22][23]

Major intersections

From west to east. The entire route is in Metro Vancouver.

More information Location, km ...

Location	km[17]	mi	Destinations	Notes
Delta	0.00	0.00	96 Street	Closed; former intersection; replaced by River Road interchange[24]
	0.25	0.16	Hwy 17 / Hwy 1 (TCH) east – South Delta, Ferries, Surrey, Hope River Road	Interchange [25]
	1.05	0.65	Nordel Way (west) / Scale Access	Interchange [26]
	1.33	0.83	Hwy 91 south – USA border	Free-flow eastbound; at-grade westbound
	1.96	1.22	Hwy 91 north – New Westminster, Vancouver, Richmond	Interchange[27]
	2.24	1.39	Nordel Way (east)	Continues east
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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