California's Route 140
440. Route 140 is from: (a) Route 5 near Gustine to Route 99 near Merced. (b) Route 99 near Merced to Yosemite National Park near El Portal via Mariposa.
Entire route. [CS&HC Sec. 253.1]
Route 140 from Route 49 at Mariposa to Yosemite National Park near El Portal. [CS&HC Sec. 263.7]
This route does in fact lead directly into Yosemite National Park. For traveling tidbits in Mariposa County, go here. California State Highways (Pull-down) California State Highways (Tables) The Main Page