Glacier National Park - West Tunnel

The video discusses the construction of a tunnel in 1926, highlighting the challenges faced using the technology of the time, such as dynamite and jackhammers. Work was halted due to harsh winter conditions and resumed in 1927. The tunnel features observation windows and a sidewalk, but caution is advised due to low visibility. Originally unlined, the tunnel was later reinforced to prevent damage from falling rocks and stabilize the structure.

What technology was primarily used in 1926 to bore through the mountain?

• Electric saws

• Hydraulic drills

• Dynamite and jackhammers

• Laser cutting

Why did the workers have to stop working on the tunnel in 1926?

• Technical difficulties

• Lack of materials

• Labor strike

• Severe winter temperatures

What is one of the features of the tunnel that offers a view of the surrounding area?

• Observation windows

• Glass ceiling

• Panoramic screen

• Open-air balcony

What safety advice is given to pedestrians inside the tunnel?

• Wear a helmet

• Carry a flashlight

• Use extra caution due to reduced visibility

• Walk in groups

What was installed in the tunnel to prevent damage to vehicles and stabilize the roof?

• Smooth interlining

• Concrete pillars

• Wooden supports

• Metal beams