Highway Signs

I-680 North - Exit 48

I-680 north at Exit 48 - Treat Blvd./Geary Road.

I-680 North - Exit 47

I-680 north at Exit 47 - N. Main St.

I-680 North - Exit 46B

I-680 north at Exit 46B - Ygnacio Valley Road.

I-680 North - Exit 46A

I-680 north at Exit 46A - CA-24/Oakland/Lafayette. I-680 continues north to Sacramento and Concord.

I-680 North - Exit 45B and Exit 46A

I-680 north at Exit 45B - Olympic Blvd. Approaching Exit 46A - CA-24/Oakland/Lafayette. I-680 continues north to Sacramento and Concord.

I-680 North Approaching CA-24

I-680 north approaching CA-24. Use left lanes for I-680 to Sacramento and Concord.

I-680 North - Exit 45A and Exit 45B

I-680 north at Exit 45A - South Main St./Walnut Creek. Approaching Exit 45B - Olympic Blvd.

Walnut Creek, California