Normally County does not provide speed limit and one way information on their street center line layer.
You can get speed limit information from Here Map speed limt api, Microsoft Azure Map speed limit api.
Google speed limit api require you buy google asset tracking product through google sales. I don't know how much it cost.
For one way information, you can use google map, here map, microsoft map.
Rita AVE is one way.
Let's find out which vendor mark Rita as one way ??
Looking for arrow on street indicate the traffic flow direction
You have to zoom into very close to show flow arrow
YES on Google Map
https://www.google.com/maps/@33.9842285,-118.2226648,19z?entry=ttu&g_ep=EgoyMDI1MDMxMi4wIKXMDSoASAFQAw%3D%3D
YES on Here Map
https://maps.here.com/?map=33.98309,-118.22352,20.03
YES on Microsoft Map
https://www.bing.com/maps?cp=33.982855%7E-118.222785&lvl=18.5
NO on Esri map
https://www.arcgis.com/home/webmap/viewer.html