The Trans Mountain Pipeline has the distinction of being both North America’s only pipeline with access to the West Coast and that carries refined product and crude oil in batches.

The Trans Mountain Puget Sound Pipeline


The system begins in Edmonton and has terminals in BC and Washington (WA) state. Each year, the volume of product shipped to each destination varies, depending on market conditions and demand.

Laurel Pump Station in Washington state is the end of the Trans Mountain pipeline system

At the Sumas delivery point in Abbotsford, BC, the Trans Mountain Pipeline connects with the Trans Mountain Puget Sound Pipeline, a system that has been shipping Canadian crude oil products since 1954 to Washington state refineries in Anacortes, Cherry Point and Ferndale for processing.

Delivery lines from Laurel Pump Station to Washington state refineries in Anacortes and Ferndale

Washington state remains unconnected to Midwest pipeline networks, and relies on oil trains, oil tankers and our pipeline to supply its refineries.

A view of the Phillips 66 Refinery from Trans Mountain’s facility in Ferndale, WA

The Trans Mountain Puget Sound Pipeline is a 111-kilometre (69-mile) pipeline system made up of 16- to 20-inch pipe and has the capacity for up to about 240,000 bpd (28,600 m3 per day) depending on petroleum types transported and the balance of deliveries between the two destinations – Anacortes and Ferndale.

Trans Mountain’s facility in Ferndale, WA

Our 2018 product destination numbers show 53 per cent of the product in the pipeline was shipped to Puget Sound last year to serve four refineries in Washington state.

Trans Mountain’s Burlington facility

Demand for the Trans Mountain pipeline continues to be strong and the current capacity is insufficient to meet the needs of shippers. Average apportionment for the Trans Mountain Pipeline system was 40 per cent for 2018, higher than 2016 and 2017 combined. Apportionment describes the amount of demand shippers place on the pipeline in excess of its available capacity.

Trans Mountain’s Anacortes station in Washington state
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