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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 11, 2026, 12:23 AM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
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← What we have understood · Dataset page
Every field decided — Every field carries a verdict — which does not mean every field is understood.
Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.
| Field | Type | What we know | Meaning | How it was decided | Shared term |
|---|---|---|---|---|---|
| citi_bike_alt_mode | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| taxi_pay | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| trip_weight_zonal | Number | Checked, no match | — | value_domain_readtop[8 of 20]={0×6455; 341.736295234297×378; 16.7618783240366×325; | — |
| num_flags | Number | Checked, no match | — | value_domain_readtop[5]={0×91881; 1×21759; 2×2041; 3×229; 4×10} | — |
| mode_8_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| ev_charge_station_level_1 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| d_purpose_category | Number | Checked, no match | — | value_domain_readsmallest=-1 largest=995 top[15]={11×37964; 1×21775; 9×11804; 7×8235; 8×8063; 3×5828; 6×5541; 2×5196} | — |
| driver | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| hh_member_7 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| transit_type | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| ev_charge_station_level_997 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| flag_distance | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| mode_4_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| mode_3_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| trip_survey_complete | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| person_id | Number | Checked, no match | — | value_domain_readsmallest=2400007901001 largest=2415340501064 | — |
| hh_member_10 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| hh_member_5 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| flag_mode | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| arrive_hour | Number | Checked, no match | — | value_domain_readsmallest=0 largest=23 top[20]={17×10012; 18×9071; 16×8641; 8×7956; 15×7901; 14×7607; 13×7535; 12×7268} | — |
| arrive_dow | Number | Checked, no match | — | value_domain_readtop[7]={5×17725; 3×17430; 2×17370; 4×17361; 1×16605; 6×16390; 7×13039} | — |
| duration_seconds | Number | Checked, no match | — | value_domain_readsmallest=1 largest=389280 top[20]={1×2630; 300×464; 900×452; 600×447; 1800×343; 3600×300; 1200×262; 180×200} | — |
| mode_7_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| o_county | Number | Checked, no match | — | value_domain_readtop[5]={36061×38409; 36081×25062; 36047×21306; 36005×15182; 36085×7649} | — |
| arrive_date | Calendar date | Not enough to tell | — | value_profile | — |
| distance_miles | Number | Checked, no match | — | value_profilesmallest=0 largest=5749.17007500606 | — |
| mode_type | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| mode_priority | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| transit_access | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| mode_8 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| transit_egress | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| park_type | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| park_pay | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| park_cost | Text | Checked, no match | — | value_domain_readtop[20]={0.01×127; 0.05×73; 0.02×60; 1.1×52; 2.2×47; 0.04×47; 0.03×36; 151.5×34} | — |
| ev_charge_station | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| scooter_park_location | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| arrive_minute | Number | Checked, no match | — | value_domain_readsmallest=0 largest=59 top[20]={0×3245; 30×2783; 15×2355; 45×2313; 10×2159; 20×2121; 40×2090; 55×2045} | — |
| bike_park_loc | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| ev_charge_station_level_3 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| tnc_type | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| o_purpose | Number | Checked, no match | — | value_domain_readsmallest=-1 largest=995 top[15]={11×37964; 1×21775; 9×11804; 7×8235; 8×8063; 3×5828; 6×5541; 2×5196} | — |
| o_purpose_category | Number | Checked, no match | — | value_domain_readsmallest=-1 largest=995 top[15]={11×37964; 1×21775; 9×11804; 7×8235; 8×8063; 3×5828; 6×5541; 2×5196} | — |
| mode_5 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| depart_hour | Number | Checked, no match | — | value_domain_readsmallest=0 largest=23 top[20]={17×10012; 18×9071; 16×8641; 8×7956; 15×7901; 14×7607; 13×7535; 12×7268} | — |
| duration_minutes | Number | Checked, no match | — | value_domain_readsmallest=1 largest=389280 top[20]={1×2630; 300×464; 900×452; 600×447; 1800×343; 3600×300; 1200×262; 180×200} | — |
| o_in_region | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| mode_4 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| mode_6 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| o_cms_zone | Number | Checked, no match | — | value_domain_readsmallest=1 largest=13 top[13]={8×28269; 3×13926; 9×10066; 5×9566; 2×8631; 13×8312; 6×7658; 10×7649} | — |
| d_cms_zone | Number | Checked, no match | — | value_domain_readsmallest=1 largest=13 top[13]={8×28269; 3×13926; 9×10066; 5×9566; 2×8631; 13×8312; 6×7658; 10×7649} | — |
| d_county | Number | Checked, no match | — | value_domain_readtop[5]={36061×38409; 36081×25062; 36047×21306; 36005×15182; 36085×7649} | — |
| mode_3 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| hh_member_13 | Number | Checked, no match | — | value_domain_readtop[3]={0×49240; 995×25189; 1×11910} | — |
| num_non_hh_travelers | Number | Not enough to tell | — | value_domain_readtop[7]={0×94001; 1×11472; 995×4253; 2×3068; 5×1491; 3×1009; 4×626} | — |
| hh_member_11 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| taxi_cost | Text | Checked, no match | — | value_domain_readtop[20]={0.01×127; 0.05×73; 0.02×60; 1.1×52; 2.2×47; 0.04×47; 0.03×36; 151.5×34} | — |
| hh_member_4 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| d_purpose | Number | Checked, no match | — | value_domain_readsmallest=-1 largest=995 top[15]={11×37964; 1×21775; 9×11804; 7×8235; 8×8063; 3×5828; 6×5541; 2×5196} | — |
| hh_member_6 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| hh_member_2 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| mode_1_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| n_legs | Number | Checked, no match | — | value_domain_readsmallest=1 largest=15 top[13]={1×66486; 3×25044; 4×11676; 5×8275; 6×2382; 7×1267; 8×424; 9×207} | — |
| trip_weight_citywide | Number | Checked, no match | — | value_domain_readtop[8 of 20]={0×6455; 341.736295234297×378; 16.7618783240366×325; | — |
| added_trip | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| leg_num | Number | Checked, no match | — | value_domain_readsmallest=1 largest=15 top[13]={1×66486; 3×25044; 4×11676; 5×8275; 6×2382; 7×1267; 8×424; 9×207} | — |
| mode_6_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| mode_1 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| depart_seconds | Number | Checked, no match | — | value_domain_readsmallest=0 largest=59 top[20]={0×6814; 1×2930; 2×2122; 25×1934; 3×1933; 55×1903; 5×1901; 50×1892} | — |
| num_hh_travelers | Number | Not enough to tell | — | value_domain_readtop[7]={0×94001; 1×11472; 995×4253; 2×3068; 5×1491; 3×1009; 4×626} | — |
| hh_member_12 | Number | Checked, no match | — | value_domain_readtop[3]={0×49240; 995×25189; 1×11910} | — |
| ev_charge_station_level_5 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| hh_member_9 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| mode_9 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| hh_member_8 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| num_travelers | Number | Not enough to tell | — | value_domain_readtop[7]={0×94001; 1×11472; 995×4253; 2×3068; 5×1491; 3×1009; 4×626} | — |
| mode_2 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| flag_speed | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| dwell_mins | Number | Checked, no match | — | value_domain_readsmallest=1 largest=389280 top[20]={1×2630; 300×464; 900×452; 600×447; 1800×343; 3600×300; 1200×262; 180×200} | — |
| arrive_second | Number | Checked, no match | — | value_domain_readsmallest=0 largest=59 top[20]={0×6814; 1×2930; 2×2122; 25×1934; 3×1933; 55×1903; 5×1901; 50×1892} | — |
| hh_member_3 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| purpose_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| d_in_region | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| mode_7 | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| hh_id | Number | Checked, no match | — | value_domain_readcard=2966 nonnull=2966 null=0 smallest=22000050 largest=22145726 | — |
| depart_date | Calendar date | Not enough to tell | — | value_profile | — |
| trip_id | Number | Checked, no match | — | value_domain_readsmallest=2400007901001 largest=2415340501064 | — |
| ev_charge_station_level_4 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| hh_member_1 | Number | Checked, no match | — | value_profiletop[1]={1×3346} | — |
| person_num | Number | Not enough to tell | — | value_domain_readtop[1]={1×115920} | — |
| day_num | Number | Checked, no match | — | value_domain_readtop[7]={1×19738; 2×16624; 4×16623; 3×16179; 7×15722; 5×15535; 6×15499} | — |
| travel_date | Calendar date | Not enough to tell | — | value_profile | — |
| day_id | Number | Checked, no match | — | value_domain_readsmallest=2400007901001 largest=2415340501064 | — |
| unlinked_trip | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| trip_num | Number | Checked, no match | — | value_profilesmallest=1 largest=154 top[20]={1×3397; 2×3373; 3×3271; 4×3184; 5×3102; 6×3047; 7×2915; 8×2865} | — |
| mode_9_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| linked_trip_num | Number | Checked, no match | — | value_profilesmallest=1 largest=154 top[20]={1×3397; 2×3373; 3×3271; 4×3184; 5×3102; 6×3047; 7×2915; 8×2865} | — |
| park_location | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| mode_5_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| mode_2_app | Number | Not enough to tell | — | value_domain_readtop[8 of 20]={1×33859; 995×20150; 6×19169; 30×18381; | — |
| linked_trip_id | Number | Checked, no match | — | value_domain_readsmallest=2400007901001 largest=2415340501064 | — |
| depart_minute | Number | Checked, no match | — | value_domain_readsmallest=0 largest=59 top[20]={0×3245; 30×2783; 15×2355; 45×2313; 10×2159; 20×2121; 40×2090; 55×2045} | — |
| depart_dow | Number | Checked, no match | — | value_domain_readtop[7]={5×17725; 3×17430; 2×17370; 4×17361; 1×16605; 6×16390; 7×13039} | — |
| added_type | Number | Not enough to tell | — | value_domain_readtop[4]={0×108364; 1×4876; 2×2157; 3×523} | — |
| transit_quality_flag | Number | Checked, no match | — | value_domain_readtop[13]={995×85132; 1×22392; 11×3999; 5×3029; 997×380; 7×225; 10×183; 9×143} | — |
| day_is_complete | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| ev_charge_station_level_998 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| travel_dow | Number | Checked, no match | — | value_domain_readtop[7]={5×17725; 3×17430; 2×17370; 4×17361; 1×16605; 6×16390; 7×13039} | — |
| flag_duration | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |
| ev_charge_station_level_2 | Number | Checked, no match | — | value_domain_readtop[3]={995×2763; 0×167; 1×36} | — |
| hh_day_complete | Number | Checked, no match | — | value_domain_readtop[2]={0×111821; 1×4099} | — |