Page 4 of 5 Attachment A Speed Limit Photo Enforced Sign Assembly for Roadways with Posted Speed Limit 40 mph or l ess OR When the SDS is to be used for school zone speed enforcement within 30 minutes before through 30 minutes after the start of a regularly scheduled school session or breakfast program and within 30 minutes before through 30 minutes after the end of a regularly scheduled school session When the SDS is to be used for school zone speed enforcement during the entirety of a regularly scheduled school session Page 5 of 5 Speed Limit Photo Enforced Sign Assembly for Roadways with Posted Speed Limit 4 5 mph or a bove OR When the SDS is to be used for school zone speed enforcement within 30 minutes before through 30 minutes after the start of a regularly scheduled school session or breakfast program and within 30 minutes before through 30 minutes after the end of a regularly scheduled school session. When the SDS is to be used for school zone speed enforcement during the entirety of a regularly scheduled school session. Note: The time period shown s hall be consistent with the time period during which the school zone speed limits are enforced using an SDS