WTT

Starts here

9

2B74

GN

Hertford North

2316

WTT

2323

Welwyn Garden City

9

2V75

GN

Terminates here

WTT

Starts here

9

2V76

GN

Welwyn Garden City

2331

WTT

2338

Stevenage

9

2F75

GN

Terminates here

WTT

Starts here

9

2D74

GN

Letchworth

2346

VAR

2347

Welwyn Garden City

10

2V77

GN

Terminates here

VAR

Starts here

10

2V78

GN

Welwyn Garden City

0001

VAR

0005

Stevenage

9

2F77

GN

Terminates here

WTT

Starts here

9

2D76

GN

Letchworth

0016

VAR

0021

Welwyn Garden City

9

2V79

GN

Terminates here