{"data":{"route":"SR-18","jurisdictions_covered":["US-CA"],"scoped_destination":"big-bear","worst_status":"open","worst_chain_control_severity":0,"worst_chain_control_code":"none","worst_chain_control_raw":null,"active_restrictions":0,"total_segments":29,"summary":"No active restrictions are currently reported on SR-18.","sections":[{"alert_type":"chain_control","source":"ca-d8-chain-controls","segments":[{"id":"ca-d8-chain-controls:8-SBD-18-9.1-N-6a","route":"SR-18","direction":"N","segment_description":"Lower Waterman Cyn. thru to Vista Point","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.18206,"start_lon":-117.27312,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2025-10-29T22:45:18.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-R10.881-N-6b","route":"SR-18","direction":"N","segment_description":"Vista Point thru to 1.5mi S/O Upper Waterman Cyn. Rd","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.18938,"start_lon":-117.27688,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2023-03-04T14:40:06.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-R11.96-N-6c","route":"SR-18","direction":"N","segment_description":"1.5mi S/O Upper Waterman Cyn. Rd thru to Upper Waterman Cyn. Rd","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.20166,"start_lon":-117.28101,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2023-03-04T14:40:06.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-32.1-N-11a","route":"SR-18","direction":"N","segment_description":".5 miles East of Jct. SR 330 thru to Green Valley Road","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.20398,"start_lon":-117.10053,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-31.5-S-10d","route":"SR-18","direction":"S","segment_description":"Running Springs thru to Arrowhead Ranch","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.2076,"start_lon":-117.10938,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"unscoped"},{"id":"ca-d8-chain-controls:8-SBD-18-R13.48-N-7","route":"SR-18","direction":"N","segment_description":"Upper Waterman Cyn. Rd thru to 4000 Ft Level (1mi S/O Jct 138)","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.21683,"start_lon":-117.28818,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2025-03-14T21:34:52.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-34.8-N-11b","route":"SR-18","direction":"N","segment_description":"Green Valley Road thru to Snow Valley","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.21934,"start_lon":-117.07159,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-29.2-S-10c","route":"SR-18","direction":"S","segment_description":"Arrowhead Ranch thru to Santas Village","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22401,"start_lon":-117.13225,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-37.6-N-11c","route":"SR-18","direction":"N","segment_description":"Snow Valley thru to Big Bear Dam","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22541,"start_lon":-117.03372,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-37.6-S-11d","route":"SR-18","direction":"S","segment_description":"Snow Valley thru to Jct SR-330","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22541,"start_lon":-117.03372,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-R16.13-N-8a","route":"SR-18","direction":"N","segment_description":"4000 Ft Level (1mi S/O Jct 138) thru to SR 138 (Crestline IC)","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.2273,"start_lon":-117.30321,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2025-03-14T09:18:27.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-20.332-N-9a","route":"SR-18","direction":"N","segment_description":"Jct. SR 189 thru to Arrowhead Highland Summit","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22744,"start_lon":-117.25387,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T00:41:47.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-20.6-S-8c","route":"SR-18","direction":"S","segment_description":"Jct SR 189 [Cliffhanger] thru to 4000 Ft Level (1mi S/O Jct 138) [Manned]","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22744,"start_lon":-117.25387,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2025-03-03T22:37:10.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-R17.68-N-8b","route":"SR-18","direction":"N","segment_description":"SR 138 (Crestline IC) thru to Jct SR 189","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.22857,"start_lon":-117.29071,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-20T06:36:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-26.5-N-10a","route":"SR-18","direction":"N","segment_description":"Santa's Village thru to Heaps Peak Dump","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.23168,"start_lon":-117.16929,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T00:41:47.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-R17.1-S-8d","route":"SR-18","direction":"S","segment_description":"Mormon Springs thru to Sbd City Limits","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.23265,"start_lon":-117.29399,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2025-03-03T22:37:10.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-28-N-10b","route":"SR-18","direction":"N","segment_description":"Heaps Peak Dump thru to Jct. SR 330","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.23339,"start_lon":-117.14704,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-25-N-9b","route":"SR-18","direction":"N","segment_description":"Arrowhead Highland Summit thru to Santas Village","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.2351,"start_lon":-117.18941,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-19T00:00:52.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-46.3-S-13b","route":"SR-18","direction":"S","segment_description":"Boulder Bay (0.2 Mi S/O Blue Jay Dr) thru to Big Bear Dam (Jct 38)","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.23817,"start_lon":-116.95024,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:20:29.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-48.4-S-13c","route":"SR-18","direction":"S","segment_description":"Modoc Dr thru to Boulder Bay - Castle Rock Turnout","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.24153,"start_lon":-116.91845,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:20:29.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-44.3-N-13a","route":"SR-18","direction":"N","segment_description":"Big Bear Dam (Jct 38) thru to Pine Knot Ave","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.24238,"start_lon":-116.97752,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:20:29.000Z","valid_until":null,"destination_scope":"unscoped"},{"id":"ca-d8-chain-controls:8-SBD-18-44.3-S-12","route":"SR-18","direction":"S","segment_description":"Big Bear Dam thru to Snow Valley","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.24238,"start_lon":-116.97752,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-04-26T15:31:27.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-50.4-S-13e","route":"SR-18","direction":"S","segment_description":"Summit Blvd thru to Modoc Dr","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.24338,"start_lon":-116.88843,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T18:30:00.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-49.13-S-13d","route":"SR-18","direction":"S","segment_description":"Pine Knot Ave thru to Greenway Dr","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.2436,"start_lon":-116.91148,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T18:30:00.000Z","valid_until":null,"destination_scope":"outside_destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-55.2-N-14a","route":"SR-18","direction":"N","segment_description":"Paradise Way thru to Mitsubishi Cement Plant/Forest Boundary","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.27429,"start_lon":-116.83575,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T16:01:00.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-58.9-N-14a2","route":"SR-18","direction":"N","segment_description":"Johnson Summit (0.5 Mi N/O Baldwin Lake Rd) thru to Mitsubishi/Forest Boundary","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.29075,"start_lon":-116.80277,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T16:01:00.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-60.9-S-14b","route":"SR-18","direction":"S","segment_description":".5 miles South of Smart Ranch Rd thru to Greenway Dr","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.31022,"start_lon":-116.80744,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-21T16:01:00.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-63.5-S-14c","route":"SR-18","direction":"S","segment_description":"1 mile North of Smart Ranch Rd thru to .5 miles South of Smart Ranch Rd","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.33423,"start_lon":-116.83215,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-19T07:50:25.000Z","valid_until":null,"destination_scope":"destination_approach"},{"id":"ca-d8-chain-controls:8-SBD-18-65.2-S-14d","route":"SR-18","direction":"S","segment_description":"Top of Johnson thru to 1 mile North of Smart Ranch Rd","overall_status":"open","chain_control_severity":0,"chain_control_code":"none","chain_control_raw":"R-0","status_description":"No chain controls are in effect at this time.","start_lat":34.35314,"start_lon":-116.8473,"end_lat":null,"end_lon":null,"type_of_closure":null,"type_of_work":null,"lanes_closed":null,"total_existing_lanes":null,"estimated_delay_minutes":null,"valid_from":"2026-02-19T07:50:25.000Z","valid_until":null,"destination_scope":"destination_approach"}]}]},"_meta":{"request_id":"req_3d2ebda0-a848-4d8a-a3c4-c7ba1c2e8aa8","response_generated_at":"2026-06-21T16:40:04.600Z","sources":[{"source":"ca-d8-chain-controls","freshness":"healthy","live_eligible":true,"covers_query":true,"source_updated_at":"2026-04-26T15:31:27.000Z","fetched_at":"2026-06-21T16:39:17.387Z"},{"source":"ca-d8-lane-closures","freshness":"healthy","live_eligible":true,"covers_query":true,"source_updated_at":"2026-06-21T13:58:03.000Z","fetched_at":"2026-06-21T16:39:18.119Z"}],"query_coverage":"full","pagination":null}}