As to creation of special gas tax street improvement fund, see HMC § 3.20.010. As to prohibition against confining animals in vehicles, see HMC § 6.04.280. As to requirement that riders or drivers of animals obey traffic controls, see HMC § 6.04.310. As to license requirement of truck and bus transportation companies, see HMC § 5.04.380 and Chapter 5.16 HMC. As to prohibition against being drunk in vehicles, see HMC § 9.36.030. As to tank truck water, see HMC § 13.12.140. As to streets and sidewalks generally, see Chapter 12.04 HMC. As to prohibition against driving on newly constructed streets, see HMC § 12.04.010. As to prohibition against use of vehicles on sidewalks, see HMC § 12.04.040. As to taxicabs and other vehicles for hire, see Chapter 5.16 HMC.