{
  "max_steps": 120,
  "arrival_mode": "stochastic",
  "lane_bias": [
    1.6,
    0.8,
    1.4,
    0.6
  ],
  "peak_rates": [
    3.8,
    2.2,
    3.4,
    1.5
  ],
  "offpeak_rates": [
    1.4,
    0.9,
    1.2,
    0.7
  ],
  "peak_duration": 35,
  "cycle_duration": 60,
  "service_rate": 2,
  "ambulance_spawn_prob": 0.08,
  "seed": 42
}