Butser Rubber is easy to find. Only three minutes from the A3 (main road from Portsmouth to London).

Click for the link to MultiMap.com

From London (A3):
At the large Ham Barn roundabout (the only round about on the A3) take the 1st exit sign posted to Liss, follow this road for about a mile through a sharp left then right corner. Take the 1st turning on the left opposite the 'Blue Bell' pub, sign posted for Liss. Follow this road down into the village, over the level crossing and fork left over the mini roundabout by 'The Whistle Stop Pub'. Follow this road for about a mile until you come you come to another level crossing. Turn right immediately after the level crossing on to Mint road. About half a mile up the road Butser Rubber is very visible on your left.

From Petersfield (Railway Station):
From the Bus stops out side the railway station turn left on to the main road and over the level crossing,

At the round about take the 1st exit and follow signs to Winchester, Portsmouth and London. At the next roundabout next to the petrol station, take the 4th exit following signs to London and Guildford on the A3.

Once on the A3 take the first exit sign posted to Liss. As you come off the bridge, take the second turning on the right sign posted to Liss. Over the level crossing and follow the road for about quarter of a mile. At the end of the road, turn left, this will take you into the village and to a mini roundabout by 'The Whistle Stop Pub'. Turn right at the mini roundabout and follow this road for about a mile and until you come to a level crossing. Turn immediately right on to Mint Road. About half a mile up the road Butser Rubber is very visible on your left.

 

From Portsmouth (A3):
Take the First exit sign posted to Liss. As you come off the bridge, take the second turning on the right sign posted to Liss. Over the level crossing and follow the road for about quarter of a mile. At the end of the road, turn left, this will take you into the village and to a mini roundabout by 'The Whistle Stop Pub'. Turn right at the mini roundabout and follow this road for about a mile and until you come to a level crossing. Turn immediately right on to Mint Road. About half a mile up the road Butser Rubber is very visible on your left.