Travel in county Pasco

Crisscrossed with an impressive web of highways and byways, Washington is a typical US state. Driving is king for those who can afford it and public transportation outside of cities is relatively meager compared to countries in Europe, Asia or South America. Many visitors elect to rent cars and partake in that most romantic of American vacations: the road trip.

The official start of summer is still a few weeks away, and the airline network planners haven't been taking any vacations just yet.

It’s already shaping up to be a busy summer travel season in the United States. On the Friday before Memorial Day, the U.S. Transportation Security Administration (TSA) screened 2.95 million airline passengers, the highest number ever recorded in a single day. And Airlines for America, a trade group representing major U.S. airlines, has estimated a 6.3 percent increase in fliers this summer over the last. While airports are certainly going to be more crowded, one carrier is trying to make the in-flight experience a little roomier for some lucky fliers.

April was another busy month for airline network planners — both at home and abroad.

Alaska Airlines is launching two new routes from its West Coast hubs and bringing back another it tried out last summer — but full time.

Alaska Airlines will expand its presence in southern California this fall with several new routes from San Diego and Los Angeles.

Low-cost carrier Avelo Airlines has doubled its flights from Sonoma County by adding four new routes.

Discount carrier Avelo Airlines in May will launch four more routes from its base in Sonoma County, Calif.

One of America's newest airlines is doubling down on California's wine country with the launch of four new routes planned for this spring.

American Airlines will add a pair of new flights from Phoenix next year, flying to Mexico and Washington state for the winter.