0.00 0.00 M25 Start out at M25 Jct 2 (A2/A282),Kent
 Follow signs Gatwick Airport (M23) M25  
 
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 3.40 3.40 M25 Junction 3 (A20/B2173/M20)
 Forward (signposted Gatwick)  
 
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 7.10 3.70 M25 Junction 4
 In 3 miles take left-hand lanes  
 
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 11.40 4.30 M25 Junction 5
 Branch left to continue with M25  
 
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 16.40 5.00 M25 CLACKET LANE SERVICE AREA 
 
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 24.00 7.60 M25 Junction 7 (M23)
 Forward (signposted Heathrow Airport)  
 
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 53.40 29.40 M25 Junction 14 (A3113)
 Forward (signposted Watford)  
 
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 55.40 2.00 M25 Arrive at Junction 15 (M4) 
 
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 - - - Section time 0:57, Total time 0:57 
 
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 55.40 0.00 M25 Start out at M25 Jct 15 (M4),Gt Lon
 Follow signs Gatwick (M23) to leave by M25  
 
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 62.70 7.30 M25 Junction 12 (M3)
 Forward (signposted Gatwick)  
 
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 86.80 24.10 M25 Junction 7 (M23)
 Forward (signposted Dartford)  
 
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 94.40 7.60 M25 CLACKET LANE SERVICE AREA
 In 3.1 miles take left-hand lane  
 
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 99.20 4.80 M25 Junction 5 (M26)
 Branch left to continue on M25 (signposted Dartford Crossing, Stansted Airport M11)  
 
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 107.40 8.20 M25 Arrive at Junction 3 (A20/B2173/M20) (Swanley Interchange) 
 
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 - - - Section time 0:54, Total time 1:51