APM: 3 Location: Marina Fwy and Slauson Ave, Culver City Just as SR 90 begins, we’re advised to keep right for I-405 north. APM: 2 Location: Marina Fwy and San Diego Fwy, Culver City Exit for I-405 north. There is no access to I-405 south. Stay on SR 90 for Marina del Rey. W to SR 1 … Continue reading California State Route 90, Slauson Ave to I-405