Bangalore - Hubli - Goa Roadmap
Bangalore to Goa :Via Hubli
Goa by Hubli gives the advantage of driving thru' NH4 (part of Golden Quadrilateral).
Road Map : Bangalore - Tumkur - Chitradurga - Hubli - Yellapur - Sakkalbert - Karwar - Goa.
road condition is pretty good all through. There is no need to enter Hubli town, you can take the bye-pass from Gabbur
From Hubli, avoid taking the Hubli - Dharwad- Londa route as the road condition is poor.
From Bangalore, the better option is Bangalore - Shimoga - Goa