Originally Posted by HB-IWC

The Senayan area should be easily accessible from both places, albeit after dragging yourself through extensive traffic jams.

The 3-in-1 rule requires cars to contain at least 3 passengers between 7am and 10am and again between 4.30pm and 7pm, but taxis are exempt from this rule.

I'd go for the JW: room upgrade, excellent lounge and your stay will credit to your MR account.