A controversial project looking to twin a pipeline running between Alberta and British Columbia says it's reached its first agreement with a Metro Vancouver municipality.

Coquitlam has signed a memorandum of understanding accepting Trans Mountain's investment of a million dollars to improve one of the city's parks but maintains that doesn't mean the city supports the pipeline expansion plan.

Trans Mountain says it's signed community benefit agreements totalling more than seven-million dollars with communities elsewhere along the pipeline corridor.

The six-point-eight-billion dollar expansion project would add nearly one thousand kilometres of new pipeline, but it faces numerous legal challenges from municipalities, environmental groups and First Nations.