The San Diego Creek Trail is the backbone of the City of Irvine ’ s bicycling network . With a length of more than 9 miles , the trail runs east / west and bisects the city . At its western end , it connects with the Back Bay Trail in the City of Newport Beach . In the east , the trail ends near the junction of Interstate 405 and State Highway 133 . San Diego Creek Trail offers connections to many ...

This project was completed in 2010 . The Riverside Freeway ( SR - 91 ) Eastbound Lane Addition Project was the first in a series of projects intended to increase capacity , relieve congestion and improve mobility on SR - 91 .

PROJECT OVERVIEW OCTA and Caltrans are working together to construct the I - 5 Freeway ImproveM ment Project from SR - 73 to El Toro Road in south Orange County . The project spans 6 . 5 miles and once completed , will have new overhead signage , new sound and retaining walls , as well as numerous other operational and technoM logical upgrades , including :

Break away from your peloton and normal riding routes . Bring your bike on Metrolink for a cycling adventure through the coastal hills to the blue Pacific and back . There are a number of riding trails that you can take from the Irvine Station including a long scenic loop through Laguna Canyon to Pacific Coast Highway and back via Newport Coast Road .

Overview The Orange County Transportation Authority proposes to enter into a design - build cooperative agreement with the California Department of Transportation to establish roles , responsibilities , and funding obligations for the Interstate 405 Improvement Project .

I - 405 / SR - 73 Express Lanes Connector Open to Tra c During Construction

The California Office of Traffic Safety has worked collaboratively with Metrolink and other rail partners in the campaign to save lives at highway - rail grade crossings . The Orange event was the springboard of outreach efforts to caution pedestrians to stay away from train tracks and avoid the life - changing effects of carelessness around railroads .

For some counties , goods movement has meant revenues and good - paying jobs . For Orange County , it primarily means a flood of cargo trucks that saturate , stagnate and steadily deteriorate local roads and freeways on a daily basis . It also means seemingly endless freight trains that cause delays for local commuters and disturbances for communities at all hours of the day and night . And , of course ...

Efective February 9 , 2025 The Bus Service Change Improvements provides a summary of the upcoming service improvements to OC Bus . This service change will provide minor schedule changes to improve service quality . Route adjustments will be made to Routes 89 and 177 to provide service to areas afected by the discontinuation of Routes 82 and 87 .

Design procedures using compound curves and the channelization which frequently accompanies them can be found in the Caltrans Highway Design Manual , local agency street design standards , or the Association of American State Highway Transportation Officials ( AASHTO ) “ greenbook ”.