The journey from Surat to Vapi is a short one. You will be able to reach Vapi in no time if you take National Highway 48. To take this route, you first need to take the Surat Palsana road till you reach National Highway 53. From there you need to reach National Highway 48 and drive for little over an hour and half till you reach Vapi. You will reach your destination in no time.
The best time to visit Vapi is between October and March. This is the case with most of the cities on the Western coast. The winters get really pleasant and it is a good respite from the sweltering heat of the summer. During winter, the temperature drops to a very crisp and pleasant 10 degree celsius.
There is only one major roadway to take when you are traveling from Surat to Vapi. You can also choose to travel by rail however that journey will not be that interesting. The route via National Highway 48 is definitely the best route to pick.
The road conditions between Surat and Vapi is generally good. There has been recent road widening work that has been completed at Vapi and this has cleared all the traffic that used to haunt this route. If you are traveling with your family then this is the best route to pick.