insert into leg values ('blue','suwanee','norcross');
insert into leg values ('blue','norcross','suwanee');
insert into leg values ('blue','norcross','doraville');
insert into leg values ('blue','doraville','norcross');
insert into leg values ('blue','doraville','chamblee');
insert into leg values ('blue','chamblee','doraville');
insert into leg values ('blue','chamblee','brookhaven');
insert into leg values ('blue','brookhaven','chamblee');
insert into leg values ('blue','brookhaven','lenox');
insert into leg values ('blue','lenox','brookhaven');
insert into leg values ('blue','lenox','lindbergh');
insert into leg values ('blue','lindbergh','lenox');
insert into leg values ('blue','lindbergh','northavenue');
insert into leg values ('blue','northavenue','lindbergh');
insert into leg values ('blue','northavenue','fivepoints');
insert into leg values ('blue','fivepoints','northavenue');
insert into leg values ('blue','fivepoints','lakewood');
insert into leg values ('blue','lakewood','fivepoints');
insert into leg values ('blue','lakewood','collegepark');
insert into leg values ('blue','collegepark','lakewood');
insert into leg values ('blue','collegepark','airport');
insert into leg values ('blue','airport','collegepark');

insert into leg values ('black','northpoint','sandysprings');
insert into leg values ('black','sandysprings','northpoint');
insert into leg values ('black','sandysprings','dunwoody');
insert into leg values ('black','dunwoody','sandysprings');
insert into leg values ('black','dunwoody','medicalcenter');
insert into leg values ('black','medicalcenter','dunwoody');
insert into leg values ('black','medicalcenter','lindbergh');
insert into leg values ('black','lindbergh','medicalcenter');
insert into leg values ('black','lindbergh','northavenue');
insert into leg values ('black','northavenue','lindbergh');
insert into leg values ('black','northavenue','fivepoints');
insert into leg values ('black','fivepoints','northavenue');
insert into leg values ('black','fivepoints','lakewood');
insert into leg values ('black','lakewood','fivepoints');
insert into leg values ('black','lakewood','collegepark');
insert into leg values ('black','collegepark','lakewood');
insert into leg values ('black','collegepark','airport');
insert into leg values ('black','airport','collegepark');

insert into leg values ('gray','pacesferry','chastain');
insert into leg values ('gray','chastain','pacesferry');
insert into leg values ('gray','chastain','lindbergh');
insert into leg values ('gray','lindbergh','chastain');
insert into leg values ('gray','lindbergh','northlake');
insert into leg values ('gray','northlake','lindbergh');
insert into leg values ('gray','northlake','tucker');
insert into leg values ('gray','tucker','northlake');
insert into leg values ('gray','tucker','lawrenceville');
insert into leg values ('gray','lawrenceville','tucker');

insert into leg values ('red','douglas','bankhead');
insert into leg values ('red','bankhead','douglas');
insert into leg values ('red','bankhead','philips');
insert into leg values ('red','philips','bankhead');
insert into leg values ('red','philips','fivepoints');
insert into leg values ('red','fivepoints','philips');
insert into leg values ('red','fivepoints','gsu');
insert into leg values ('red','gsu','fivepoints');
insert into leg values ('red','gsu','avondale');
insert into leg values ('red','avondale','gsu');
insert into leg values ('red','avondale','stonemountain');
insert into leg values ('red','stonemountain','avondale');

insert into leg values ('green','easteast','easthaven');
insert into leg values ('green','easthaven','easteast');
insert into leg values ('green','easthaven','marietta');
insert into leg values ('green','marietta','easthaven');
insert into leg values ('green','marietta','eastcobb');
insert into leg values ('green','eastcobb','marietta');

insert into interchange values ('lindbergh','black','blue');
insert into interchange values ('lindbergh','blue','black');
insert into interchange values ('lindbergh','black','gray');
insert into interchange values ('lindbergh','gray','black');
insert into interchange values ('lindbergh','blue','gray');
insert into interchange values ('lindbergh','gray','blue');
insert into interchange values ('fivepoints','black','red');
insert into interchange values ('fivepoints','red','black');
insert into interchange values ('fivepoints','blue','red');
insert into interchange values ('fivepoints','red','blue');
insert into interchange values ('fivepoints','blue','black');
insert into interchange values ('fivepoints','black','blue');