COVID-19: B.C. grandparents meet newborn granddaughter across U.S. border “The construction project involves the installation of a cable barrier system along this section of the border,” a statement said.“This barrier is designed to prevent vehicles form either accidentally or purposefully crossing the boundary and endangering citizens in both countries.” Most of Metro Vancouver and the Fraser Valley border with Washington state is separated by only a ditch and stone markers on the south side of Zero Avenue.The strip has recently been in the spotlight amid an uptick in migrants and asylum seekers entering Canada away from official border crossings.A British Family was recently detained for weeks by U.S.