AMP: La Grande-Baker Hwy #66/16 Location: Main St and Delta St, Union A couple blocks after 237 joins 203, 237 will split to head to Cove. AMP: 15 Location: Main St and Bryan St, Union Turn right for 237 north to Cove. Keep left for 203 north, which takes over the old US-30 alignment to Hot Lake … Continue reading Oregon Route 237, OR 203 to OR 203