But railroads say implementation efforts have been snarled by high costs, bureaucratic delays and technical hurdles.

But, in the meantime, every activity in Mars City was snarled by the necessity to seek shelter.

Investment in e-scooter and e-bike services has not been snarled by opposition from regulators or by safety concerns.

In the evening, buggies and automobiles crowded Basin Street, and the narrow drive was often snarled by traffic.

Tighter safeguards to avoid public debt markets being snarled by the tax will also be looked at, the document said.

But railroads, including freight and passenger services, say implementation efforts have been snarled by high costs, bureaucratic delays and technical hurdles.

Also unexpected were scenes of multiple civilians who stepped into always-busy intersections to help direct traffic snarled by the lack of traffic lights.