The closed-circuit type segment captured over 30% of the total revenue in 2016; however, hybrid type is anticipated to exhibit a substantial growth at a CAGR exceeding 4% from 2017 to 2025.

This is called an 'open' circuit, because the loop from one battery terminal to the other is no longer closed.

Off-track earth works have commenced with the circuit officially closing at 1pm on May 12. It is expected the circuit will open between the end of August and the end of September 2015.