WTT

1917

1917½

London Paddington

B

3Y83

XR

Terminates here

9

WTT

pass

Heathrow Airport Terminal 4

A

9U73

XR

Abbey Wood

1917½

1917½

9

WTT

pass

Abbey Wood

B

9R84

XR

Reading

1919½

1919

9

WTT

pass

Heathrow Airport Terminal 5

A

9W74

XR

Shenfield

1921

1920½

9

WTT

1923

1923

London Paddington

C

3Y85

XR

Terminates here

9

WTT

pass

Reading

A

9U75

XR

Abbey Wood

1924

1924

9

WTT

pass

Abbey Wood

B

9H86

XR

Heathrow Airport Terminal 4

1925½

1925

9

WTT

Starts here

A

3W76

XR

London Paddington

1927

1927

9

WTT

1929

1929¼

London Paddington

A

3Y87

XR

Terminates here

9

WTT

pass

Heathrow Airport Terminal 4

A

9U77

XR

Abbey Wood

1930½

1930

9

WTT

pass

Abbey Wood

B

9N88

XR

Maidenhead

1932

1931

9

WTT

Starts here

B

3W78

XR

London Paddington

1933

1933

9

WTT

pass

Shenfield

B

9T89

XR

Heathrow Airport Terminal 5

1935

1934

9

WTT

pass

Maidenhead

A

9U79

XR

Abbey Wood

1936½

1936

9

WTT

pass

Abbey Wood

B

9H90

XR

Heathrow Airport Terminal 4

1938

1937½

9

WTT

Starts here

C

3C80

XR

London Paddington

1939

1939

9

WTT

1941

1941

London Paddington

B

3Y91

XR

Terminates here

9

WTT

pass

Old Oak Depot

A

5U81

XR

London Paddington

1942

1940½

9

WTT

pass

London Paddington

B

5Y92

XR

Old Oak Depot

1943½

1943

9

WTT

Starts here

A

3W82

XR

London Paddington

1945

1945

9

WTT

pass

Heathrow Airport Terminal 4

A

9U83

XR

Abbey Wood

1947½

1948

9

WTT

pass

Abbey Wood

A

9R94

XR

Reading

1949½

1950¼

9

WTT

pass

Heathrow Airport Terminal 5

A

9W84

XR

Shenfield

1951

1951

9

WTT

1947

1946

London Paddington

3

5Y93

XR

Old Oak Depot

1952

1952

9

WTT

1953

1953

London Paddington

C

3Y95

XR

Terminates here

9

WTT

pass

Reading

A

9U85

XR

Abbey Wood

1954

1954

9

WTT

pass

Abbey Wood

B

9H96

XR

Heathrow Airport Terminal 4

1955½

1955

9

WTT

Starts here

B

3W86

XR

London Paddington

1957

1957

9

WTT

1959

1959

London Paddington

A

5Y97

XR

Old Oak Depot

2000

N/R

9

WTT

pass

Heathrow Airport Terminal 4

A

9U87

XR

Abbey Wood

2000½

2001

9

WTT

pass

Abbey Wood

B

9N98

XR

Maidenhead

2002

2001½

9

WTT

pass

Old Oak Depot

A

5L88

XR

London Paddington

2004

2004

9

WTT

pass

Shenfield

B

9T01

XR

Heathrow Airport Terminal 5

2005

2004

9

WTT

pass

Maidenhead

A

9U89

XR

Abbey Wood

2007

2008

9

WTT

pass

Abbey Wood

B

9H02

XR

Heathrow Airport Terminal 4

2008

2007

9

WTT

2011

2011

London Paddington

B

3Y03

XR

Terminates here

9

WTT

Starts here

C

3W90

XR

London Paddington

2012

2012

9

WTT

pass

Heathrow Airport Terminal 4

A

9U91

XR

Abbey Wood

2015½

2016

9

WTT

2014

2013

London Paddington

B

5Y04

XR

Old Oak Depot

2016½

2016

9

WTT

pass

Heathrow Airport Terminal 5

A

9W94

XR

Shenfield

2019

2019

9

WTT

pass

Abbey Wood

B

9R06

XR

Reading

2019½

2019½

9

WTT

2017

2017

London Paddington

A

5Y05

XR

Old Oak Depot

2022

N/R

9

WTT

2023

2023

London Paddington

C

3Y07

XR

Terminates here

9

WTT

pass

Reading

A

9U95

XR

Abbey Wood

2023½

2023

9

WTT

pass

Abbey Wood

B

9H08

XR

Heathrow Airport Terminal 4

2025½

2025

9

WTT

Starts here

B

3W96

XR

London Paddington

2027

2027

9

WTT

pass

London Paddington

A

5Y09

XR

Old Oak Depot

2030½

2035

9

WTT

pass

Heathrow Airport Terminal 4

A

9U97

XR

Abbey Wood

2030½

2030½

9

WTT

pass

Abbey Wood

B

9N10

XR

Maidenhead

2033½

2036½

9

WTT

pass

Old Oak Depot

A

5L98

XR

London Paddington

2034

2034

9