chemical warfare service teams were trained Education_teaching in its use , and signal corps personnel in its maintenance .

12 people died Death and 46 were injured Bodily_harm as a result of a rear-end collision in a tunnel , caused Causation by driver error after a signal failure .

ET , and resting Placing at midnight to signal the start Process_start of the new year .

It was caused Causation when a busy signalman , Alfred Sutton , forgot GiveUp about a pair of light engines waiting Motion at his down ( northbound ) starting Process_start signal to return Arriving to their shed at Carlisle .

When the signal cleared Removing , the light Lighting engines set off Departing in front of the express into the same block Hiding_objects section .

British Admiral Andrew Cunningham—Allied naval commander—began the operation on 7 May 1943 , with the colourful signal to `` Sink , burn Bodily_harm and destroy Destroying .

Analysing the previous 110 runnings Self_motion of the 07:20 train showed Presence that the signal in question had not once been at danger ; moreover the distant signal Warning was at caution on 101 occasions .

The driver appeared Presence to have therefore missed the home signal as it was always clear in the past , and ignored the distant signal as it was normally at caution anyway and was normally cleared Removing by the time he reached Arriving it .

Firstly the electric train passed Motion_directional the home signal at danger .

Analysing the previous 110 runnings Self_motion of the 07:20 train showed Presence that the signal in question had not once been at danger ; moreover the distant signal Warning was at caution on 101 occasions .

The driver appeared Presence to have therefore missed the home signal as it was always clear in the past , and ignored the distant signal as it was normally at caution anyway and was normally cleared Removing by the time he reached Arriving it .

An analysis of the records Recording revealed Reveal_secret that the signal boxes in this area had frequently operated Being_in_operation outside the guidelines , although until the fateful morning without serious consequence .

the joint Collaboration signal intelligence bureau ( unk ) department has also been involved Cause_to_be_included in providing Supply communications support Supporting to pakistani terrorists Terrorism operating Military_operation in regions of the state Statement of jammu and kashmir of india .

The accident , also known as the Hopkinstown rail disaster or the Coke Ovens collision , occurred Coming_to_be at 9:48 am , when the 09:10 passenger train from Treherbert to Cardiff , heading Motion towards Pontypridd and carrying Carry_goods about 100 people , rounded Motion the bend at Gyfeillion Lower signal box with a clear signal ahead .

The accident , also known as the Hopkinstown rail disaster or the Coke Ovens collision , occurred Coming_to_be at 9:48 am , when the 09:10 passenger train from Treherbert to Cardiff , heading Motion towards Pontypridd and carrying Carry_goods about 100 people , rounded Motion the bend at Gyfeillion Lower signal box with a clear signal ahead .

The inquest heard Perception_active conflicting reports from signalmen Hutchings of the Gyfeillion Lower and Quick of the Rhondda Cutting Junction , the other signal box in control of the stretch of line where the accident took place Process_start .

Due to lack of definite evidence an open verdict was returned ; though the fireman of the coal train was censured Judgment_communication for not alerting Warning the signal box of the stationary train 's position as he was required Imposing_obligation to do under Rule 55 .

The Board of Trade enquiry , subsequent to the inquest , concluded Coming_to_believe that Hutchings had not , in fact , given Giving the `` Train Entering Section '' signal for the coal train after Quick had accepted it , and Quick had subsequently accepted the passenger train , having forgotten GiveUp that he had accepted the coal train earlier .

Hutchings was also criticised Judgment_communication for not replacing his signals to `` Danger '' as soon as he was aware Perception_active of the conflict – if he had done so , the driver of the passenger train would have had about 30 seconds to observe Perception_active the danger signal , and , even if he had been unable to stop Process_end the train , its speed would have been greatly reduced Cause_change_of_position_on_a_scale and the collision much less severe .

The express was travelling Traveling at its usual speed of around approaching the station when the driver noticed Know the Knowle and Dorridge distant signal at caution .

The distant signal was only from Knowle 's up main home signal , insufficient distance for the express to stop from .

The distant signal was only from Knowle 's up main home signal , insufficient distance for the express to stop from .

It was found Know that the signalman at Knowle and Dorridge signal box in the station had forgotten GiveUp he had signalled the line was clear for the express train when allowing the freight train onto the line in the path of the express .

On receiving a train approaching signal notifying him of the approaching the express , he realised Know his mistake , but he was only able to alert the freight train by red flag and although it braked Self_motion to a halt , it could not be cleared from the up main line in time to avoid the collision .

He had requested Request line clear for the express train from the preceding signal box before receiving the required clearance from the following signal box .

He had requested Request line clear for the express train from the preceding signal box before receiving the required clearance from the following signal box .

He should have sent Sending the `` blocking back inside home signal '' message to Bentley Heath , the preceding signal box , so that the express train could have been slowed Change_event_time in plenty of time by the Bentley Heath distant signal at caution .

He should have sent Sending the `` blocking back inside home signal '' message to Bentley Heath , the preceding signal box , so that the express train could have been slowed Change_event_time in plenty of time by the Bentley Heath distant signal at caution .

He should have sent Sending the `` blocking back inside home signal '' message to Bentley Heath , the preceding signal box , so that the express train could have been slowed Change_event_time in plenty of time by the Bentley Heath distant signal at caution .

According to the Iranian government , the cruiser negligently shot down Use_firearm the aircraft , which was transmitting IFF squawks in Mode III , a signal that identified Check it as a civilian aircraft , and not Mode II as used Using by Iranian military aircraft .

As the train started Process_start leaving Departing the platform , someone pulled Motion the emergency brake Motion and the train stopped Process_end near the signal point .

The Quintinshill rail disaster was a multi-train rail crash Catastrophe which occurred Coming_to_be on 22 May 1915 outside the Quintinshill signal box near Gretna Green in Dumfriesshire , Scotland .

On the morning of 12 December 1988 , a crowded passenger train crashed Destroying into the rear of another train that had stopped Self_motion at a signal just south of Clapham Junction railway station in London , and subsequently sideswiped Bodily_harm an empty train travelling in the opposite direction .

The collision Catastrophe was the result of a signal failure caused Causation by a wiring fault .

According to the National Transportation Safety Board ( NTSB ) , which investigated Criminal_investigation the cause of the collision , the Metrolink train ran through Motion a red signal before entering Arriving a section of single track where the opposing freight train had been given Giving the right of way by the train dispatcher .

The original purpose of the operation was to serve Assistance as a signal to the Democratic Republic of Vietnam ( North Vietnam ) to cease its support for the insurgency then taking place in the Republic of Vietnam ( South Vietnam ) .

The driver of the mail train was not aware that a cattle train was ahead of him when they left Tamworth ( the preceding station ) and claimed Statement he had not seen Perception_active the advance Cause_to_make_progress signal at all approaching Atherstone station , but did not worry as he was not aware Know of there being a train ahead of him .

By the time he saw a red signal just before the station he immediately applied Using the brakes but it was too late to avoid Preventing_or_letting the collision .

It also criticized Judgment_communication the driver for not seeing Perception_active the advance red signal .

Locking bars should have prevented Preventing_or_letting these points from being changed Change as the signal ahead of the Scarborough was set to clear Emptying .

The public funeral Social_event of Diana , Princess of Wales started Process_start on 6 September 1997 at 9:08am in London , when the tenor bell of Westminster Abbey started Process_start tolling to signal the departure Departing of the cortège from Kensington Palace .

Approaching from three directions , they lit Self_motion torches upon a signal and closed Self_motion in .

The cause of the accident Catastrophe was determined Deciding to be a human error on behalf of the driver of the train from Leuven , who passed Motion_directional a red signal without authorization .

Another contributing factor was the absence of TBL 1+ on the train that passed Motion_directional the red signal .

Early reports suggested Convincing that Hampi Express overshot a signal and collided with a stationary goods train .

The official investigation completed Process_end in December 2011 blamed Judgment_communication faulty signal systems which failed to warn the second train of the stationary first train on the same track , as well as a series of management failures on the part of railway officials in carrying out Action due procedure .

The National Transportation Safety Board ( NTSB ) investigation Scrutiny found Know that , while the bus driver was not aware that a portion of the bus was on the tracks as she should have been , the timing of signals was so insufficient that , even if she had identified Check the hazard as the train approached Arriving , she would have had to proceed Self_motion against a red traffic signal into the highway intersection to have moved Motion out of the train 's path .

This train came Arriving over Hexthorpe Junction with , first the 'distant ' signal and then the 'home ' signal at danger .

This train came Arriving over Hexthorpe Junction with , first the 'distant ' signal and then the 'home ' signal at danger .

With speed down to a crawl the 'home ' signal was lowered Cause_change_of_position_on_a_scale , the driver assumed Deciding , wrongly , that with no other fixed signals Warning to Cherry Tree Lane his route was clear and speed gradually rose Cause_change_of_position_on_a_scale .