|Location Map ( geo)|
|Euston Avenue at the junction of Whippendell Road|
|From:||Hagden Lane (TQ100958)|
|To:||Hagden Lane (TQ097957)|
|Distance:||0.4 km (0.2 miles)|
|Meets:||A4145, C74, A4145|
|Route outline (key)|
The C123 forms two links in West Watford between the A4145 and C74. Or at least used to: Euston Avenue is stopped-up at the Whippendell Road end, leaving just the Queens Avenue section actually linking the two roads.