There will be two transportation routes: Transportation routes for event related personnel (athletes etc.), and transportation route for spectators (venue staff etc.)
Please refer to the following link for further details.
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To ensure the smooth flow of traffic along Metropolitan Expressways during the Tokyo 2020 Games, discount toll rates will be applied to nighttime use (midnight to 4 am) and increased toll rates will be applied to expressway use from 6 am to 10 pm. Listed here are details about special Metropolitan Expressway toll rates during the Tokyo 2020 Games.

Introducing corporate requests towards alleviation of traffic congestions during Games time and corporate examples while providing information including traffic forecast for the Tokyo 2020 Games.