The line-ups for the all-important second Barcelona test, which gets underway on Tuesday, have been confirmed.

Once again, Mercedes is alternating Lewis Hamilton and Valtteri Bottas, one driving in the morning and the other in the afternoon.

While Mercedes adopted the policy in 2016 in a bid not to overwork its drivers, Renault has chosen to adopt the same policy, Jolyon Palmer and Nico Hulkenberg alternating over the four days.

Lance Stroll gets the first two days in the Williams, leaving Felipe Massa hoping that there are none of the 'issues' of last week which resulted in the Brazilian only getting 103 laps.

After a difficult opening test, Toro Rosso and Force India will be seeking improvements, while McLaren is likely to be the focus of media attention.

After last week's opening test, this week the teams will be ramping up their efforts for Melbourne, first looking at race distances and by the end of the week at outright pace.

Valtteri Bottas topped both the timesheets and the mileage stats, and no doubt teammate Lewis Hamilton will be wanting to exert his standing over the coming days.

While the true order of things won't be known until qualifying in Melbourne, this week should certainly give a much better idea.

Team	Tue	Wed	Thu	Fri
Mercedes	Ham/Bot	Bot/Ham	Ham/Bot	Bot/Ham
Red Bull	Ricciardo	Verstappen	Ricciardo	Verstappen
Ferrari	Vettel	Raikkonen	Vettel	Raikkonen
Force India	Ocon	Perez	Ocon	Perez
Williams	Massa	Mas/Stro	Stro/Mass	Stroll
McLaren	Vandoorne	Alonso	Vandoorne	Alonso
Toro Rosso	Kvyat	Sainz	Kvyat	Sainz
Haas	Magnussen	Grosjean	Magnussen	Grosjean
Renault	Palm/Hulk	Hulk/Palm	Palm/Hulk	Hulk/Palm
Sauber	Wehrlein	Ericsson	Wehrlein	Ericsson

Test 1 Stats

Test 1 Engine Manufacturer Mileage

Engine Manufacturer	Laps	Miles	Kms
Mercedes	1049	3034.2	4883.0
Ferrari (17)	810	2342.9	3770.5
Renault	770	2227.2	3584.3
Ferrari (16)	349	1009.5	1624.6
Honda	208	601.6	968.2

Test 1 Team Mileage

Team	Laps	Miles	Kms
Mercedes	558	1614.0	2597.4
Ferrari	468	1353.7	2178.5
Sauber	349	1009.5	1624.6
Haas	342	989.2	1592.0
Red Bull	294	850.4	1368.5
Renault	293	847.5	1363.9
Force India	278	804.1	1294.1
Williams	213	616.1	991.5
McLaren	208	601.6	968.2
Toro Rosso	183	529.3	851.8

Test 1 Driver Mileage

Driver	Team	Laps	Miles	Kms
Bottas	Mercedes	324	937.2	1508.2
Vettel	Ferrari	267	772.3	1242.9
Hamilton	Mercedes	234	676.8	1089.2
Raikkonen	Ferrari	201	581.4	935.6
Ericsson	Sauber	198	572.7	921.7
Verstappen	Red Bull	174	503.3	810.0
Grosjean	Haas	174	503.3	810.0
Magnussen	Haas	168	485.9	782.0
Giovinazzi	Sauber	151	436.8	702.9
Hulkenberg	Renault	150	433.9	698.2
Palmer	Renault	143	413.6	665.7
Perez	Force India	121	350.0	563.2
Ricciardo	Red Bull	120	347.1	558.6
Stroll	Williams	110	318.2	512.0
Vandoorne	McLaren	107	309.5	498.1
Massa	Williams	103	297.9	479.5
Alonso	McLaren	101	292.1	470.1
Kvyat	Toro Rosso	100	289.3	465.5
Ocon	Force India	86	248.8	400.3
Sainz	Toro Rosso	83	240.1	386.4
Celis	Force India	71	205.4	330.5

Best Times

Date	Driver	Team	Tyres	Time	Gap
01-Mar	Bottas	Mercedes	US	1:19.705	130.481 mph
01-Mar	Vettel	Ferrari	S	1:19.952	0.247
02-Mar	Raikkonen	Ferrari	S	1:20.872	1.167
28-Feb	Hamilton	Mercedes	SS	1:20.983	1.278
01-Mar	Ricciardo	Red Bull	S	1:21.153	1.448
01-Mar	Palmer	Renault	S	1:21.396	1.691
02-Mar	Verstappen	Red Bull	S	1:21.769	2.064
01-Mar	Hulkenberg	Renault	S	1:21.791	2.086
01-Mar	Ericsson	Sauber	SS	1:21.824	2.119
27-Feb	Massa	Williams	S	1:22.076	2.371
01-Mar	Grosjean	Haas	SS	1:22.118	2.413
28-Feb	Magnussen	Haas	SS	1:22.204	2.499
28-Feb	Stroll	Williams	S	1:22.351	2.646
02-Mar	Giovinazzi	Sauber	US	1:22.401	2.696
28-Feb	Ocon	Force India	SS	1:22.509	2.804
02-Mar	Perez	Force India	US	1:22.534	2.829
02-Mar	Vandoorne	McLaren	US	1:22.576	2.871
01-Mar	Alonso	McLaren	US	1:22.598	2.893
28-Feb	Kvyat	Toro Rosso	S	1:22.956	3.251
27-Feb	Bottas	Mercedes	S	1:23.169	3.464
01-Mar	Sainz	Toro Rosso	M	1:23.540	3.835
01-Mar	Celis	Force India	US	1:23.568	3.863