self.seed = 2
self.builder = SequentialJunctionBuilder(
minAngle=np.pi/6,
maxAngle=np.pi * .75,
straightRoadLen=10,
probLongConnection=0.5,
probMinAngle=0.5,
probRestrictedLane=0.2,
maxConnectionLength=50,
minConnectionLength=20,
random_seed=self.seed)