NAME (Required)
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a. How do you measure the visibility distance on site? (Required)
b. Which tolerances or safety margins do you apply in the visibility calculation? Is there a maximum distance ? (Required)
c. Do you carry out periodic visibility inspections? If yes, how often and under which criteria? (Required)
2. Calculation of technical visibility
a. Do you use any formula based on train speed and the number of tracks to determine the Technical Visibility distance? If yes, what is the exact equation or criteria used? (Required)
b. Which parameters do you consider as mandatory in the calculation? (Required)
Maximum permitted speed
Number of tracks
others (specify hereunder)
If others please specify here
3. Regulations and Models used
a. Which national regulation or guideline do you use as a reference for visibility calculation? (road standards, railway regulations, internal manuals, etc...) (Required)
b. Do you apply international models or standards (UIC, ERA, CENELEC...)? If yes, which one? (Required)
c. Are there regulatory differences between public and private level crossings? (Required)
4. Management of vegetation and obstacles
a. How do you manage vegetation clearing that affects visibility? (Required)
Frequency
Responsible parties (road, railway, landowners)
Procedures or protocols
Do not know
b. Do you use quantitative thresholds to decide when to intervene due to the loss of visibility? (Required)
Yes
No
Do not know
5. Risk Management and Safety Improvement
a. How do you integrate visibility into the level crossing risk assessment process? (Required)
b. Is there a minimum visibility level below which you initiate an improvement procedure, closure, or installation of additional signalling? (Required)
Should you wish to upload a file, please add it here, or send us an email at fonverne@uic.org
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