UPDATE, 8.40pm March 18:

The Carnarvon Highway is currently closed between Roma and Surat due to flooding.

All directions are blocked off at Paradise Creek, 40km south of Roma.

Expect long delays.

UPDATE, 3.11pm:

The Department of Transport and Main Roads has updated their road conditions, and the Warrego Highway is now declared to be affected by flooding.

According to TMR, there is now water over the road west of Currey Street in Roma, heading towards Mitchell.

All lanes are affected and there may be delays.

ORIGINAL:

Heavy rainfall has fallen across southwest Queensland over the past few days, with water flowing over a number of bridges and roadways.

According to the Department of Transport and Main Road's traffic website, here are the major roads affected by the downpour.

Roma Taroom Road, Euthulla (Mooga Creek)

Flooding - all lanes affected in all directions

Expect delays

Mitchell Highway between Charleville and Augathella

Warning revoked. Road is open.

Carnarvon Highway, Injune (near Koorangan Road)

Road now open, but floodwaters remain.

Unnamed Road, about 6km southeast of Wallumbilla

Road closed to all traffic

Roma Southern Road, Bungil and Mount Abundance

Water over road in multiple locations between 7km and 26km south of Roma

Burtons Road and Knayer's Lane, Orange Hill

Closed due to heavy rain

Miscamble Street, Roma

Road closed due to heavy rain

Six Miles Road, Tingun

Closed to all traffic due to heavy rain

Mitchell St George Road, Arrest Creek

Long-term flooding due to heavy rain

All lanes affected

Landsborough Highway, between Augathella and Morven

Warning revoked. Road is open.

Injune - Taroom Road

Closed to all traffic