Submitted by pizza_4_all_ t3_zkzdt3 in washingtondc
SandBoxJohn t1_j06d8po wrote
Reply to comment by yunnifymonte in Are most people in Washington DC liking the new Metro connection out to Dulles Airport? by pizza_4_all_
The 1k cars were designed for a service life of roughly 40 years. They began developing stress cracks in their car bodies at roughly half the length of their service life. They were for all practical purposes beyond the end of their service life before reaching 40 years.
yunnifymonte t1_j06kvgq wrote
Interesting.
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