Railroads can be crossed at what angles?

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Multiple Choice

Railroads can be crossed at what angles?

When crossing a railroad right-of-way, the path should meet safety and installability needs by not running almost parallel to the tracks and by avoiding overly shallow angles. Crossing at an angle between 30 and 90 degrees to the track achieves that: it prevents the duct from tracing along the ballast for a long distance, reduces exposure to train-induced loads, and allows a cleaner, more maintainable crossing. A 90-degree (perpendicular) cross is ideal when feasible, and angles down to about 30 degrees are acceptable if the route constraints prevent a perfect perpendicular. Ranges that start at 0 or include very shallow angles (less than 30 degrees) would create a long, low-clearance crossing in the ballast and can complicate installation and maintenance. The broad 0–180 degree option would also allow near-parallel crossings, which aren’t desirable. Therefore, the acceptable range is 30–90 degrees.

When crossing a railroad right-of-way, the path should meet safety and installability needs by not running almost parallel to the tracks and by avoiding overly shallow angles. Crossing at an angle between 30 and 90 degrees to the track achieves that: it prevents the duct from tracing along the ballast for a long distance, reduces exposure to train-induced loads, and allows a cleaner, more maintainable crossing. A 90-degree (perpendicular) cross is ideal when feasible, and angles down to about 30 degrees are acceptable if the route constraints prevent a perfect perpendicular.

Ranges that start at 0 or include very shallow angles (less than 30 degrees) would create a long, low-clearance crossing in the ballast and can complicate installation and maintenance. The broad 0–180 degree option would also allow near-parallel crossings, which aren’t desirable. Therefore, the acceptable range is 30–90 degrees.

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