Travelling With Cannabis "I can take my Cannabis across the US boarder right?!"... WRONG! Cannabis legislation is confusing and a lot changed with legalization but the one thing that did stay the same is that you CANNOT cross international boarders with your Cannabis. Even though Cannabis is legalized federally in Canada doesn't mean that you can bring it places that it isn't legal. Yes California, Oregon, Washington, Nevada, Alaska, Michigan, Vermont, Maine, Massachusetts