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Los Angeles County spent 4½ years and more than $1.6 billion to widen the 405 Freeway through the Sepulveda Pass.

Now, the carpool lane born from that mega-project is facing a major change of its own: tolls.

The Metropolitan Transportation Authority is in the early stages of planning to allow solo drivers in the 405’s carpool lanes, for a price. Similar programs on portions of the 110 and 10 freeways charge drivers a per-mile toll that changes based on traffic conditions.

A faster way would be welcome news for the tens of thousands of daily commuters who slog through the Sepulveda Pass. How the program would guarantee a faster trip in a carpool lane already crowded during peak periods has yet to be determined.

Read the full story on LATimes.com.