Indeed USA deviates from ICAO:
126.96.36.199 Zeros are not used to precede single-digit runway markings. An optional configuration of the numeral 1 is available to designate a runway 1 and to prevent confusion with the runway centerline.
Source: USA AIP - GEN 1.7 Differences From ICAO SARPs
188.8.131.52 in ICAO SARPs Annex 14 (Aerodromes) is as follows (emphasis ...
Google is your friend. Try it. "perforated metal airstrip"
"A runway two hundred feet wide and 5000 feet (1500 m) long could be created within two days by a small team of engineers."