Messages appeared on ticket vending machines (TVM) and customer information screens (CIS) at their local stations, including: Altrincham, Goole, Greenbank, Leeds, Manchester Victoria, Oxenholme Lake District, Preston, Scarborough, Seamer and Sunderland.

It follows a social media appeal from Northern for people to write heartfelt messages to their loved ones.

Messages included:

To Emily. Rose’s are Red, Violets are Blue. Get on this train, so I can see you! From Jon. #ValenTRAINSday

To Markus. Love you most, and you can’t say I don’t because now it’s on a train screen! From Deacon #ValenTRAINSday

To Georgie. Trains are Blue and White but you make my heart nice and red. From Jack. #ValenTRAINSday

To Robert. Love you more than trains! From Anne. #ValenTRAINSday

To Bethany. Thankyou for literally everything you do for me. I love you sweetheart so so much honestly I do. From Charlie. #ValenTRAINSday

To Azka. Thank you for completing me and my life ! You are my better half in every sense. From Ahmad #ValenTRAINSday

Wishing my soulmate Marc M a Happy Valentines Day in our 3rd year after travelling this line most weekends to be together! I love you…. your Hayley Moo x #ValenTRAINSday

To Dan. Happy Valentine’s Day, lots of love. From Jess #ValenTRAINSday

Couples whose ‘Valen-TRAINS Day’ messages featured on one of the screens are also being sent a free Duo ticket for them to travel as a couple to anywhere on the Northern network.

Northern is the second largest train operator in the UK, with nearly 2,500 services a day to more than 500 stations across the North of England.