Looking to get a package from Walnut Creek to Fairfield quickly and reliably? Look no further than Modern Express. We specialize in highly-efficient route and on-demand delivery services anywhere in California, including between Walnut Creek and Fairfield. With 24/7 rush delivery, overnight delivery, and affordable service quotes, you can rest easy knowing Modern Express can get your delivery completed from start to finish, whether you have a single envelope or several pallets of refrigerated goods. From cars and cargo vans to trucks with liftgates and refrigerated trucks, our fleet has it covered.