From I-10 east, exit Overland. Go straight (which is National) about a quarter mile to Westwood. Make a left on Westwood and park behind the Trader Joe's.
From I-10 west, exit National. Turn right at National Blvd and continue straight on National Place. National Place turns almost immediately into Westwood Blvd. Continue only a short distance and park behind the Trader Joes.

Valley Carpool Point
Radisson Hotel
15433 Ventura Blvd
Sherman Oaks, CA 91403
meet in front of the hotel

From US-101 north (i.e. towards Ventura), exit Sepulveda. Turn left on Sepulveda and go about a third of a mile to Ventura. Turn right on Ventura and go about a quarter mile to the hotel.
From US-101 south, take the I-405 south exit ramp. Stay on the ramp about a quarter mile to Ventura Blvd. Turn right and the hotel should be right there.
From I-405 north, exit Sepulveda. Turn left on Sepulveda and go about a quarter mile to Ventura Blvd. Turn left on Ventura and go about a quarter mile to the hotel.
From I-405 south, exit US-101 north. Exit almost immediately on Haskell Ave. Turn left on Haskell and go about half a mile to Ventura Blvd. Turn left on Ventura and go about a quarter mile to the hotel. Ventura.