Changi Airport Terminal 4 (T4) will be open to the public for the first time next month at its Open House from 7 Aug to 20 Aug 2017 daily, from 9 am to 6 pm.
What to do when you arrive at T4

The self-guided tour via the app is about 1km long and is expected to take between 60 and 90 minutes. Visitors will get a “boarding pass” to activate their app, and there will also be a self-luggage tagging contest to familiarize them with the process.
Each registrant can book tickets for himself and five other people. About 200,000 tickets will be available during the T4 open house period, up to 15,000 a day.
To & From T4

Complimentary shuttle bus service is available from 8.15am at the T3 Coach Stand (Arrival Hall, next to McDonald’s) for pre-registered visitors. Do arrive at least 45 minutes prior to your selected time slot.
Printed or electronic copy of the confirmation email must be presented upon boarding of the shuttle bus.

For visitors who choose to commute via car or taxi, please arrive at least 30 minutes prior to your selected time slot.
Parking is available in T4 at the following rates:
Car: A discounted flat fee of $5 for the first 4 hours;
and $0.04 per minute (or $2.40 per hour) thereafter.
Motorcycle: $1.30 per day.
Taxis will be available during the Open House.
Please note that a taxi surcharge of $3 (weekdays) and $5 (weekends) will apply to all trips departing from T4, similar to departures from T1, T2, and T3.