Construction on a bike highway — hoped to connect communities to make high-speed, emissions-free commuting possible — is underway in Germany. But with funding in question, will this bikers’ dream still come true? […] The cost-benefit relation presented by the RVR is optimistic: Benefits equal nearly five times more than costs. Figures indicate the bike autobahn would save €11.5 million yearly on medical expenses due to the health benefits of greater physical activity and reduced pollution, while it would also save €6.3 million through prevented accidents. But money is lacking to complete the project, estimated at €184 million. For the...