National Highway 44 is the longest highway starting from Srinagar to Kanyakumari
It runs about 3745 kilometres. It is considered as the longest national highway in India
NH44 was previously known as NH7
The total length oh NH is 93051kms including expressways
The highways have specific colour coding
- National highways - yellow and white
- State highways - Green and white
- City Highways - Black and white
All major highways have single or double digit code such as NH4 or NH7
Three digit codes are secondary or branches of main highways such as 144, 244
When suffixes such as A, B C have added, it indicates the stretch of sub highways