Yes, you can. If you need to travel on CityLink and don't have a Taxi account, you can buy a pass online.
Your vehicle is limited to 2 passes per vehicle per year. If you need to use CityLink more frequently, consider opening an account.
Linkt and Linkt Melbourne are trade marks of Transurban Limited used under licence by CityLink Melbourne Limited ABN 65 070 810 678.