The 40th L.A. Marathon starts at 7 a.m. Sunday at Dodger Stadium and finishes in Century City. More than 25,000 people are expected to participate.

Here are the numerous freeway ramps and street closures to be aware of on March 15-16 along the L.A. Marathon route. Motorists should anticipate delays, plan ahead and choose alternate routes. Caltrans is scheduled to close the following freeway ramps and turn lanes of US Route 101,

Thousands of runners and spectators across the world will be in Southern California this weekend for the 40th Los Angeles Marathon. This year, the LA Marathon falls on Sunday, March 16 and it's a sold-out event.