State Route 4 will be closed in both directions from Lone Tree Way to Sand Creek Rd for construction on the Mokelumne Trail Bike/Ped Overcrossing. The Hwy 4 closure will run from Friday night, June 16, (9pm) through early Saturday morning, June 17 (6am). Details: http://bit.ly/cctamok
![](https://511contracosta.org/wp-content/uploads/2023/06/traffic_advisory_jun16.jpg)