Here's a quick hit of what Road Warrior editors are reading.
The nation's largest air carrier, American Airlines, began trading Monday under the AAL ticker after the Supreme Court rejected a challenge to block the mashup with US Airways. CEO Doug Parker promised on CNBC on Monday that fares won't rise "as long as demand stays the same."
Metro-North Railroad has finished installing an automatic braking system in the Bronx near the site where one of its trains derailed earlier this month, killing four passengers, The Wall Street Journal reports.
Network Rail in the U.K. is starting a new parcel service, Doddle, that allows customers to send and receive parcels from train stations, according to PSFK.