Getting to Ratchapreuk Road
Take the Taksin Bridge towards Thonburi.
Go straight keeping in the right lane, and after 1km take the flyover signposted to Ratchadapisek Road.
At the middle of this flyover zero odometer.
Continue straight over the next long flyover across Ratchadapisek Road, keeping in the left lane.
At 3km fork left, signposted Phetkasem Road.
After the exit stay in right lane, cross back over the highway and stay in right lane.
At 4km continue in right lanes, signposted Borom Rajajonni Road.
You are now on Ratchapreuk Road heading north.
By Skytrain (BTS)
Take the Silom line south to Wong Wian Yai.
Get a taxi heading out of town.
After 200m at the traffic lights go straight across.
Get onto the main highway, and you will soon go over the flyover across Ratchadapisek Road.
Follow the directions above. Add 0.2km to the distances shown in the directions.