text: from pyroad import *
  
  class Road(PyRoad):
  
      def build(self, b, params):
          b.curve('A').start_at([0,0]).tangent_at_start([1,0]).end_at([100+10,110]).shape('arc')
          b.curve('Aa').start_at([0,10]).tangent_at_start([1,0]).end_at([100,110]).shape('arc')
          b.lane('A', 'Aa')