1.   As an EMS driver trying to atone for botching a previous tunnel accident, Stallone mercifully and appealingly downplays the heroics.

2.   But tunnel accidents can be nightmarish.

3.   In theory, the Swiss government and the European Union agree that the only way to reduce catastrophic tunnel accidents is to move more freight from road to rail.

4.   The average person in a tunnel accident can usually walk about four feet a second.

5.   Though Switzerland, with its rugged landscape, has proved particularly vulnerable to tunnel accidents, it has not been the only country in the region to suffer.

6.   While passenger cars get into tunnel accidents at least as often as trucks, the heavier trucks are more likely to carry flammable materials, including more fuel.

7.   It is the second serious tunnel accident in the Austrian province of Salzburg in less than two years.