{"id":1097,"date":"2020-03-31T17:26:02","date_gmt":"2020-03-31T15:26:02","guid":{"rendered":"https:\/\/www.acoem.com\/blog\/cross-bore-or-single-point-solutions-for-ultrasonic-tunnel-airflow-monitoring\/"},"modified":"2022-02-22T12:40:08","modified_gmt":"2022-02-22T11:40:08","slug":"cross-bore-or-single-point-solutions-for-ultrasonic-tunnel-airflow-monitoring","status":"publish","type":"post","link":"https:\/\/www.acoem.com\/en\/blog\/cross-bore-or-single-point-solutions-for-ultrasonic-tunnel-airflow-monitoring\/","title":{"rendered":"Cross bore or single point solutions for ultrasonic tunnel airflow monitoring"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

Road tunnels require continual fresh air flow to ensure that visibility is maintained and toxic gases levels are kept within acceptable limits.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[195,300],"acf":[],"yoast_head":"\nCross bore or single point solutions for ultrasonic tunnel airflow monitoring - Acoem<\/title>\n<meta name=\"description\" content=\"Road tunnels require continual fresh air flow to ensure that visibility is maintained and toxic gases levels are kept within acceptable limits.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.acoem.com\/en\/blog\/cross-bore-or-single-point-solutions-for-ultrasonic-tunnel-airflow-monitoring\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cross bore or single point solutions for ultrasonic tunnel airflow monitoring - 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