|Location Map ( geo)|
|From:||Mill Green (TL239102)|
|To:||Black Fan Road (TL263119)|
|Distance:||2.1 miles (3.4 km)|
|Meets:||B195, C158, A1000|
|Route outline (key)|
The C149 is a class III road in Welwyn Garden City, Hertfordshire.
The road is two halves of different characters. The western end is a narrow rural S2, while the eastern end is a distributor through the housing estates of the garden city.