Sustainability

Seattle's King County launches next-gen New Flyer electric trolleys

Posted on August 19, 2015

Seattle’s King County Metro Transit (Metro) introduced the first completely new state-of-the-art New Flyer electric trolleys in nearly 30 years.

"Electric trolleys are ideal for moving people in dense urban environments, making up 12 percent of our fleet but carrying 20 percent of our weekday riders," said King County Executive Dow Constantine. "And they emit zero emissions. By running trolleys instead of diesel-hybrid buses over the next five years, we are keeping 42,000 metric tons of greenhouse-gas emissions out of our air."

The first five of 174 replacement trolley buses go into service August 19, with the remaining trolleys phased in over the next two years. The new trolleys will use up to 30% less electricity than the current fleet and will significantly reduce operating costs.

New state-of-the-art trolley fleet saves energy and money

Among the benefits riders will enjoy will be the addition of passenger-activated back doors for easier exiting and the ability of buses to go off-wire for short distances to detour around construction zones and other obstacles and stay on schedule. The buses will also have air conditioning and low floors for easy boarding.

Metro, which operates the second-largest trolley fleet in the nation, will initially deploy 110, 40-foot vehicles, with the first 60-foot coaches arriving in early 2016. The City of Seattle is purchasing 14 new trolleys with funds recently approved by voters.

"Since June — in just the first two months of expanded service in Seattle — we've seen an increase of 5,000 daily transit trips," said Seattle Mayor Ed Murray. "We are ushering in a new era of bus transit in Seattle and new service means new buses. Electric trolleys are still the best zero-emissions technology available, even after 75 years."

Cost of the new trolley fleet is an estimated $186 million, with about 65% paid by federal grants. The electric trolley system will cost less to operate than Metro's hybrid fleet, once fuel consumption, maintenance and grant funding are factored in.

New battery-operated prototype buses look beyond the wire

Metro will test prototype electric battery buses to see if they can be used in the fleet of the future.

Beyond the new trolleys, Metro is pursuing more innovation, thanks to a $4.7 million federal grant. Over the next four to six months, Metro will take delivery of three 40-foot prototype heavy-duty battery-electric buses with fast-charging batteries, manufactured with a composite body by Proterra.

The new 38-seat buses can travel up to 23 miles between charges and remain on the road up to 24 hours a day. Batteries take 10 minutes or less to charge. The prototype bus is expected to get 15 miles more from an equivalent unit of energy than a diesel-hybrid coach. A battery-charging station has already been set up at the Eastgate Park-and-Ride lot.

Metro will test the performance and efficiency of the new technology for up to a year on local streets and roads, to determine whether battery-electric buses can be a future replacement option for Metro. The three prototypes will likely be tested on short routes serving the Eastside and downtown Seattle.

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