There are cancellations and delays of up to an hour to trains between London and Bedford because of damage to the overhead wires in the St Albans area.
East Midlands and Thameslink services are being affected and the disruption is expected to last for most of the day.
Network Rail says passengers travelling from London to St Albans / Luton & Luton Airport may consider travelling from London Kings Cross to Hatfield / Stevenage / Hitchin, then boarding an UNO bus to St Albans or an Arriva bus to Luton
“We received an emergency call from a train driver at around 8.15am that the overhead power lines had come down in the St Albans area, which resulted in all four rail lines through the area being closed.
"Once engineers arrived on site it appeared that the wires had come down after being struck by a fallen tree.
"Engineers have been working to restore power since and we are aiming to reopen two of the four lines this afternoon."
Trains in and our of Liverpool Street serving Norfolk, Suffolk and Essex are also being affected by overhead wire line damage at Maryland in London.
This was the scene in Hertfordshire a short while ago as drivers and pedestrians began their commute home in St Albans.
The snow is moving its way across the region and a number of weather warnings - include severe flood warnings on the East coast - are in place.
Police in Hertfordshire are trying to track down a motorist after a car was driven the wrong way down the A414 between Hatfield and St Albans.
Police tried to stop the vehicle which was travelling west towards St Albans on Saturday 7 January.
The driver pulled into the Shell petrol station before driving through the forecourt and back onto the carriageway, travelling in the wrong direction.
Officers say they did not pursue the vehicle for the safety of members of the public.
“This was an extremely dangerous thing to do as it put other road users at risk of serious, or even fatal injury.
“We are working to trace the person responsible and I am appealing for anyone who witnessed the incident, or who thinks they know the identity of the driver to please get in touch.”
Hertfordshire Police are appealing for witnesses.
The Conservatives have increased their majority on St Albans City and District Council. The party now has an overall majority of four, up from two before the election.
The Lib Dems also made a single gain with net losses for Labour and an Independent.
The Lib Dems were last party to have an overall majority in 2011 and the party had been in and out of power since 1994
Thieves have stolen a pair of signed Usain Bolt trainers from a car in Hertfordshire.
The running shoes had been in a black frame along with a certificate of authenticity and a picture of the sprinting legend. The frame was smashed and offenders took the three items from within it.
The owner had bought the shoes at a charity auction raising money for Sport for Freedom.
PC Ben Kirby, of Hertfordshire Police, said the victim had planned to display the shoes at home.
"Whilst the charity has very kindly offered to replace it, the victim is keen to see the return of the original to allow it to be auctioned again and raise further money for the charity."
The shoes were taken from a grey BMW near the Marlborough School in Watling Street, St Albans, between midnight and 10am on December 21st. Police are appealing for witnesses.
The cost of repairing a sinkhole which opened up in a street in St Albans is estimated at £100,000.
Engineers have pumped in 48 lorry loads of foamed concrete over four days which amounts to nearly 6,700 bathtubs full.
Experts are monitoring the site in Fontmell Close using specialist equipment to test for any movement.
Electricity, water, sewerage and telephone services have now been restored to the majority of the fifty homes affected by the sinkhole which appeared on Thursday 1 October
A sinkhole that is 66ft wide and 33ft deep has opened up on a residential street in Hertfordshire, forcing people to evacuate.Read the full story ›
Hertfordshire Police have charged two people in St Albans with offences connected to slavery.
Johnny Murphy, 25, and Shanon Loveridge, 22, were both charged with knowingly holding a person in slavery or servitude and knowingly requiring another person to perform forced labour in St Albans between April 2010 and September 2014.
Their arrest followed advice from Thames and Chiltern Crown Prosecution Service.
In March officers from Hertfordshire Police executed a warrant at an address in St Albans following following reports of potential human trafficking taking place on the premises.
Jonny and Shannon have been released on bail and will appear before St Albans Magistrates Court on Tuesday 27 October.
A 62-year-old woman has been released without charge.
The Conservatives won the St Albans constituency in Hertfordshire at the 2010 General Election with a majority just over 2,000 votes.Read the full story ›