268 P. 138 SPOKANE NORTHWEST AUTO FREIGHT et al., Appellants, v. DEPARTMENT OF PUBLIC WORKS et al., Respondents. No. 21136. Department One.The Supreme Court of Washington. June 8, 1928. [1] CARRIERS (3-2) — REGULATION — CERTIFICATE OF CONVENIENCE — PRIORITY. Certificates of public convenience for auto freight service, between the termini of two routes, may […]