Several roads across Los Angeles will be closed for the 40th LA Marathon, impacting traffic for many residents.

Main course closures: These streets will be closed at various times during the day. Runners will follow some of them for the race, and others intersect with the marathon path. Freeway ramps to the 110, 101, and 405: Onramps and offramps will be closed throughout the day. Be sure to check this timetable before you hop on the freeway.

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,

Drivers in Los Angeles should be prepared for a large number of road closures related to the 40th running of the Los Angeles Marathon presented by Asics on Sunday, March 16. The 26.2-mile racecourse begins at Dodger Stadium and travels through Chinatown,

A host of different roads will be shut this Sunday (March 16) for the annual Colchester Half Marathon. Motorists will have to plan their journeys ahead of time on Sunday due to the major sporting event taking place throughout the city.