You may want to plan an alternate route for your morning commute tomorrow morning.

Due to testing of the emergency barriers by the Torrance Refining Company, all lanes in both directions of Crenshaw Boulevard from 190th Street to Del Amo Boulevard will be closed from 9 to 10 a.m. It will also include closures of all lanes in both directions of Del Amo Boulevard from Maple Avenue to Crenshaw Boulevard from 10 to 11 a.m.

Along with barrier testing, the refinery will also perform its monthly community alert siren test.