1. You can make two routes, either through Sto. Tomas, Batangas or through Calamba, Laguna.
2. If through Sto. Tomas:
Once you reach the Sto. Tomas Public Market (its on your right after Jollibee Sto. Tomas), drive ahead to the intersection, take the highway to the left which is way to Lucena. Then, around 10-15 minutes drive from that intersection, you will reach Brgy. San Felix, Sto. Tomas, Batangas. Once in San Felix, take a left turn towards the way to Bay, Laguna ( a good landmark will be to ask the way towards geothermal plant and Seaoil Gas Station.) Then, from there, you don’t have any more turns to make, just drive straight towards the town of Bay, Laguna. CMDI will be along that way before you reach the town. You will pass Brgy. Bitin then Brgy. Sta. Cruz then finally Brgy. Tranca where CMDi is located. CMDI will be a building on your left. You will see a signage.
3. If through Calamba, Laguna:
Once you reach Calamba crossing, just drive straight ahead to Bay, Laguna. You will pass through Los Banos. After Los Banos Crossing ( where you will see a Jollibbe on your right), good landmark will be South Supermarket on the left and the UP Open U on the right. After you have seen these two landmarks, just drive ahead until the intersection with a gas station. This is the part where the road will fork into two ways. Straight ahead will be the highway and the left will be towards the town proper of Bay. Take the highway. After crossing the bridge,turn on the first street you will see on your right. This is not a major street, only a secondary one, so, it might not be noticeable. Take that street and no more turns to make. Just drive ahead towards Brgy. Tranca where CMDI is. You will pass through Brgy. Puypoy then Brgy. Masaya and finally Brgy. Tranca. CMDI will be on your right.